{"title":"Triangular Barrel Pens","description":"\u003cp\u003eThe barrel does the teaching. A triangular section falls naturally into a tripod grip and stops the pen rolling off a desk, both of which matter more in a classroom than any ink property. Adults with grip fatigue find the same benefit. Check the barrel diameter suits the hand it is for. See \u003ca href=\"\/collections\/ballpoint-pens\"\u003eballpoint pens\u003c\/a\u003e, \u003ca href=\"\/collections\/student-stationery\"\u003estudent stationery\u003c\/a\u003e and \u003ca href=\"\/collections\/preschool-educational-supplies\"\u003epreschool supplies\u003c\/a\u003e.\u003c\/p\u003e","products":[{"product_id":"staedtler-437-xbsb10-triplus-ball-437-triangular-ballpoint-pen-extra-broad-wallet-of-10-assorted-colours","title":"Staedtler Triplus Ball Ballpoint Extra Broad Wallet 10 Assorted 437 XBSB10","description":"\u003ch2\u003eTen Colours Of Extra Broad Triplus Ball In One Stand-Up Wallet\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eStaedtler 437 XBSB10 is a wallet of 10 triplus ball ballpoints, each a different colour, all writing the extra broad (XB) line that the wallet label gives as 1.6mm.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eStaedtler list the colours as red, magenta, blue, aqua blue, orange, green, willow green, violet, brown and black. That spread works well in a bullet journal or habit tracker, on handmade cards, in study notes where each subject gets its own colour, or on a shared table in a classroom or craft group.\u003c\/p\u003e\u003cp\u003eEvery pen has the triplus triangular barrel, which Staedtler describe as ergonomic, along with a conical metal tip and a ventilated cap. The ink is low viscosity for a smooth feel, dries quickly and avoids smudging, Staedtler say, even when highlighted. The wallet opens out and stands up on the desk, so the ten colours stay sorted and in view, and the pens are rated airplane-safe.\u003c\/p\u003e\u003cp\u003eSmaller sets are in \u003ca href=\"\/collections\/triangular-barrel-pens\"\u003etriangular barrel pens\u003c\/a\u003e and \u003ca href=\"\/collections\/broad-tip-ballpoint-pens\"\u003ebroad tip ballpoint pens\u003c\/a\u003e, with more choice in \u003ca href=\"\/collections\/ballpoint-pens\"\u003eballpoint pens\u003c\/a\u003e and \u003ca href=\"\/collections\/fineliner-pens\"\u003efineliner pens\u003c\/a\u003e.\u003c\/p\u003e","brand":"Staedtler","offers":[{"title":"Default Title","offer_id":50552544624896,"sku":"SR437 XBSB10","price":24.43,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0863\/5419\/8784\/files\/Staedtler_Triplus_Ball_Extra_Broad_Wallet_10_Assorted_437-XBSB10_1_Mega_Office_Supplies.jpg?v=1791400205"},{"product_id":"staedtler-437-m-3-triplus-ball-437-triangular-ballpoint-pen-medium-blue-box-of-10","title":"Staedtler Triplus Ball Ballpoint Medium Blue Box 10 437 M-3","description":"\u003ch2\u003eBlue Medium Ballpoints For Notes, Homework And Diaries\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eStaedtler 437 M-3 is a box of 10 triplus ball pens in blue with the medium (M) line, a three-sided capped ballpoint for daily handwriting.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eBlue medium is the pen most students and note takers reach for: lecture and meeting notes, homework, diaries, recipe cards and letters. Staedtler say the 437 is ideal for everyday writing, and the three flat sides of the barrel give the fingers somewhere definite to sit, which Staedtler call an ergonomic shape for relaxed and easy writing.\u003c\/p\u003e\u003cp\u003eRevision notes usually get highlighted, so the ink matters. Staedtler describe it as fast drying and smudge free, and their Australian catalogue says it avoids smudging even under a highlighter. The point is a conical metal tip, the cap is ventilated, and Staedtler rate the pen as airplane-safe for pencil cases that travel.\u003c\/p\u003e\u003cp\u003ePair it with other colours from \u003ca href=\"\/collections\/triangular-barrel-pens\"\u003etriangular barrel pens\u003c\/a\u003e and \u003ca href=\"\/collections\/fineliner-pens\"\u003efineliner pens\u003c\/a\u003e, or compare \u003ca href=\"\/collections\/ballpoint-pens\"\u003eballpoint pens\u003c\/a\u003e and \u003ca href=\"\/collections\/staedtler-writing-supplies\"\u003eStaedtler writing supplies\u003c\/a\u003e.\u003c\/p\u003e","brand":"Staedtler","offers":[{"title":"Default Title","offer_id":50552546525440,"sku":"SR437 M-3","price":24.43,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0863\/5419\/8784\/files\/Staedtler_Triplus_Ball_Blue_Medium_Box_10_437-M-3_1_Mega_Office_Supplies.jpg?v=1791400217"},{"product_id":"staedtler-437-xbsb4-triplus-ball-437-triangular-ballpoint-pen-extra-broad-wallet-of-4-assorted-colours","title":"Staedtler Triplus Ball Ballpoint Extra Broad Wallet 4 Assorted 437 XBSB4","description":"\u003ch2\u003eFour Bold Colours For Charts, Mind Maps And Wall Planners\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eStaedtler 437 XBSB4 is a stand-up wallet of 4 extra broad triplus ball ballpoints in red, blue, green and black, with the line printed on the wallet as about 1.6mm.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eWhen a page is going to be read from a distance or at a glance, a thick coloured line helps. This set suits mind maps and brainstorm sheets, rosters and chore charts on the fridge, whole-month wall planners, and headings that divide a notebook into sections. Four colours are enough to separate people, subjects or stages without the page turning into a rainbow.\u003c\/p\u003e\u003cp\u003eEvery pen in the set is a standard triplus ball: three flat grip faces that Staedtler regard as ergonomic, a cone-shaped metal point and a ventilated cap. Staedtler rate the writing as particularly smooth, with ink that dries fast and resists smudging. The wallet opens out so it can stand on the desk, and Staedtler list the pens as airplane-safe.\u003c\/p\u003e\u003cp\u003eFor a bigger colour range see the ten-colour wallet under \u003ca href=\"\/collections\/broad-tip-ballpoint-pens\"\u003ebroad tip ballpoint pens\u003c\/a\u003e, or browse \u003ca href=\"\/collections\/triangular-barrel-pens\"\u003etriangular barrel pens\u003c\/a\u003e, \u003ca href=\"\/collections\/ballpoint-pens\"\u003eballpoint pens\u003c\/a\u003e and \u003ca href=\"\/collections\/staedtler\"\u003eStaedtler\u003c\/a\u003e.\u003c\/p\u003e","brand":"Staedtler","offers":[{"title":"Default Title","offer_id":50552546951424,"sku":"SR437 XBSB4","price":9.78,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0863\/5419\/8784\/files\/Staedtler_Triplus_Ball_Extra_Broad_Wallet_4_Assorted_437-XBSB4_1_Mega_Office_Supplies.jpg?v=1791400210"},{"product_id":"staedtler-437-xb-9-triplus-ball-437-triangular-ballpoint-pen-extra-broad-black-box-of-10","title":"Staedtler Triplus Ball Ballpoint Extra Broad Black Box 10 437 XB-9","description":"\u003ch2\u003eExtra Broad Black For Writing That Has To Be Read At A Glance\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eStaedtler 437 XB-9 is a box of 10 black triplus ball pens with the extra broad (XB) line, the heaviest of the three widths in the range.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eAn extra broad ballpoint lays down a thick, dark stroke, so it earns its place wherever writing must be picked out quickly: a signature block, a name on a folder spine, a heading across a page of notes, a sign-in sheet at the front counter, or a label on a storage tub. People with large, loose handwriting often find a broad line looks neater than a fine one.\u003c\/p\u003e\u003cp\u003eThe barrel has three flat faces, which Staedtler present as an ergonomic shape for relaxed and easy writing. A ventilated cap covers the conical metal point. Staedtler describe the ink as fast drying and free of smudging, and the Australian catalogue notes it holds up under a highlighter. It is also listed as airplane-safe.\u003c\/p\u003e\u003cp\u003eMore heavy-line options are in \u003ca href=\"\/collections\/broad-tip-ballpoint-pens\"\u003ebroad tip ballpoint pens\u003c\/a\u003e, and the rest of the range sits in \u003ca href=\"\/collections\/triangular-barrel-pens\"\u003etriangular barrel pens\u003c\/a\u003e, \u003ca href=\"\/collections\/ballpoint-pens\"\u003eballpoint pens\u003c\/a\u003e and \u003ca href=\"\/collections\/staedtler\"\u003eStaedtler\u003c\/a\u003e.\u003c\/p\u003e","brand":"Staedtler","offers":[{"title":"Default Title","offer_id":50552546984192,"sku":"SR437 XB-9","price":24.43,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0863\/5419\/8784\/files\/Staedtler_Triplus_Ball_Black_Extra_Broad_Box_10_437-XB-9_1_Mega_Office_Supplies.jpg?v=1791400210"},{"product_id":"staedtler-437-fsb4-triplus-ball-437-triangular-ballpoint-pen-fine-wallet-of-4-assorted-colours","title":"Staedtler Triplus Ball Ballpoint Fine Wallet 4 Assorted 437 FSB4","description":"\u003ch2\u003eA Fine 0.7mm Triplus Ball Set For Small Spaces On The Page\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eStaedtler 437 FSB4 holds 4 triplus ball ballpoints with the fine (F) line, one each in red, blue, green and black, and the wallet label gives the line as 0.7mm.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFine is the narrowest of the three triplus ball widths, which makes this the set for writing that has to fit: week-to-view planners, small diary squares, ledger and timesheet columns, labels on files, and notes squeezed into the margin of a printed report. With four colours in one wallet, entries can be sorted by person, project or priority without swapping pens.\u003c\/p\u003e\u003cp\u003eEach pen uses the Staedtler triangular barrel, which they describe as ergonomic for relaxed and easy writing, with a conical metal tip and a ventilated cap. According to Staedtler the quick-dry ink resists smearing, a highlighter included, and the pens are rated airplane-safe. The wallet props open into a stand for the desk.\u003c\/p\u003e\u003cp\u003eMedium and extra broad sets, plus single colours by the box, are in \u003ca href=\"\/collections\/triangular-barrel-pens\"\u003etriangular barrel pens\u003c\/a\u003e and \u003ca href=\"\/collections\/ballpoint-pens\"\u003eballpoint pens\u003c\/a\u003e. For fibre tip writing see \u003ca href=\"\/collections\/fineliner-pens\"\u003efineliner pens\u003c\/a\u003e and \u003ca href=\"\/collections\/staedtler-writing-supplies\"\u003eStaedtler writing supplies\u003c\/a\u003e.\u003c\/p\u003e","brand":"Staedtler","offers":[{"title":"Default Title","offer_id":50552548360448,"sku":"SR437 FSB4","price":9.78,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0863\/5419\/8784\/files\/Staedtler_Triplus_Ball_Fine_Wallet_4_Assorted_437-FSB4_1_Mega_Office_Supplies.jpg?v=1791400217"},{"product_id":"staedtler-437-m-2-triplus-ball-437-triangular-ballpoint-pen-medium-red-box-of-10","title":"Staedtler Triplus Ball Ballpoint Medium Red Box 10 437 M-2","description":"\u003ch2\u003eThe Red Pen For Marking And Proofreading\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eStaedtler 437 M-2 is a box of 10 red triplus ball ballpoints with a medium line, sized for corrections that fit between printed or handwritten lines.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eTeachers marking exercise books, editors proofreading a printed draft, bookkeepers querying a figure on a remittance and supervisors signing off checklists all need a red that is clear without taking over the page. A medium line lets a correction sit neatly above a word or beside a number; where a mark has to shout, the extra broad 437 XB-2 does that job.\u003c\/p\u003e\u003cp\u003eThe pen is part of the Staedtler triplus family, with the three-sided barrel they call an ergonomic shape for relaxed and easy writing, plus a conical metal tip and a ventilated cap. Staedtler describe the writing as particularly smooth, credit the ink with low viscosity, and say it dries quickly without smudging, even when highlighted. It is listed as airplane-safe too.\u003c\/p\u003e\u003cp\u003eBuild a marking kit from \u003ca href=\"\/collections\/triangular-barrel-pens\"\u003etriangular barrel pens\u003c\/a\u003e and \u003ca href=\"\/collections\/capped-pens\"\u003ecapped pens\u003c\/a\u003e, or browse all \u003ca href=\"\/collections\/ballpoint-pens\"\u003eballpoint pens\u003c\/a\u003e and \u003ca href=\"\/collections\/staedtler\"\u003eStaedtler\u003c\/a\u003e products.\u003c\/p\u003e","brand":"Staedtler","offers":[{"title":"Default Title","offer_id":50552548655360,"sku":"SR437 M-2","price":24.43,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0863\/5419\/8784\/files\/Staedtler_Triplus_Ball_Red_Medium_Box_10_437-M-2_1_Mega_Office_Supplies.jpg?v=1791400221"},{"product_id":"staedtler-437-xb-2-triplus-ball-437-triangular-ballpoint-pen-extra-broad-red-box-of-10","title":"Staedtler Triplus Ball Ballpoint Extra Broad Red Box 10 437 XB-2","description":"\u003ch2\u003eThick Red Ink For Marking, Checking And Flagging\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eStaedtler 437 XB-2 is a box of 10 red triplus ball pens that write the extra broad (XB) line, so every tick, circle and correction stands out on the page.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eRed is the colour of checking: marking handwritten work, ticking off a stocktake sheet, circling a total that does not add up, or putting a deadline on a printed wall planner. A medium red can disappear on a busy page, whereas an extra broad stroke is hard to miss. For small corrections between printed lines, the medium 437 M-2 is the neater choice.\u003c\/p\u003e\u003cp\u003eLike the rest of the 437 range, the pen has a triangular barrel that Staedtler describe as ergonomic, a conical metal tip and a ventilated cap. Staedtler call the writing particularly smooth and say the fast drying ink will not smudge, and their catalogue adds that it stays clean under a highlighter. They also rate it airplane-safe.\u003c\/p\u003e\u003cp\u003eSee more in \u003ca href=\"\/collections\/broad-tip-ballpoint-pens\"\u003ebroad tip ballpoint pens\u003c\/a\u003e and \u003ca href=\"\/collections\/triangular-barrel-pens\"\u003etriangular barrel pens\u003c\/a\u003e, or browse \u003ca href=\"\/collections\/ballpoint-pens\"\u003eballpoint pens\u003c\/a\u003e and the \u003ca href=\"\/collections\/staedtler\"\u003eStaedtler range\u003c\/a\u003e.\u003c\/p\u003e","brand":"Staedtler","offers":[{"title":"Default Title","offer_id":50552548786432,"sku":"SR437 XB-2","price":24.43,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0863\/5419\/8784\/files\/Staedtler_Triplus_Ball_Red_Extra_Broad_Box_10_437-XB-2_1_Mega_Office_Supplies.jpg?v=1791400221"},{"product_id":"staedtler-4230-m-retractable-triangular-ballpoint-pen-medium-red-pack-of-10","title":"Staedtler Retractable Triangular Ballpoint Pen Red Medium Pack 10 4230 M-2","description":"\u003ch2\u003eRed Ballpoints For Marking, Corrections And Line Drawing\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eStaedtler 4230 M-2 is ten red ball 4230 ballpoints with a triangular grip, a push-button retracting point and a 1.0mm medium tip.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eA red pen does a particular set of jobs: marking homework, flagging errors on a proof, ticking off a stocktake sheet or adding a second colour to meeting notes. For those short bursts of marking, a click pen saves fumbling with a cap between pages. Staedtler Australia list the 4230 as a retractable triangular ballpoint, and on their website describe the three-sided shape as ergonomic, for relaxed and easy writing and drawing.\u003c\/p\u003e\u003cp\u003eStaedtler's own photographs show the red 4230 used for fine line illustrations of flowers, so it is not only a correcting pen. Their 2024 catalogue calls the writing particularly smooth, lists the ink as indelible to ISO 12757-2 and describes the pen as airplane safe. The barrel is a tinted see-through red, easy to find in a pencil case full of blue.\u003c\/p\u003e\u003cp\u003eSee all \u003ca href=\"\/collections\/retractable-ballpoint-pens\"\u003eretractable ballpoint pens\u003c\/a\u003e, more \u003ca href=\"\/collections\/triangular-barrel-pens\"\u003etriangular barrel pens\u003c\/a\u003e, \u003ca href=\"\/collections\/ballpoint-pens\"\u003eballpoint pens\u003c\/a\u003e in every colour and the \u003ca href=\"\/collections\/staedtler-writing-supplies\"\u003eStaedtler writing supplies\u003c\/a\u003e range.\u003c\/p\u003e","brand":"Staedtler","offers":[{"title":"Default Title","offer_id":50552763384064,"sku":"SR4230 M-2","price":7.13,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0863\/5419\/8784\/files\/Staedtler_Ball_4230_Triangular_Ballpoint_Red_Pack_10_4230-M-2_2_Mega_Office_Supplies.jpg?v=1791401045"},{"product_id":"staedtler-4230-m-retractable-triangular-ballpoint-pen-medium-black-pack-of-10","title":"Staedtler Retractable Triangular Ballpoint Pen Black Medium Pack 10 4230 M-9","description":"\u003ch2\u003eA Triangular Barrel Click Pen For Everyday Black Ink\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eStaedtler 4230 M-9 is a box of 10 black ball 4230 pens, a triangular ballpoint with a medium line from a ball of about 1.0mm.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eBlack is the colour most forms, delivery dockets, exam papers and signatures ask for, so this is the version of the 4230 that gets used hardest. The barrel has three flat sides for the thumb and first two fingers to rest on, a shape Staedtler describe as ergonomic, for relaxed and easy writing. Staedtler Australia's 2024 trade catalogue names it a retractable pen, and their photographs show the push-button top and clip, so the point goes away without a cap to lose.\u003c\/p\u003e\u003cp\u003eStaedtler call the writing particularly smooth. Per the same catalogue, its indelible ink conforms to ISO 12757-2, and the pen is rated airplane safe: automatic pressure equalisation stops it leaking on board aircraft, so it can ride in a carry-on bag. Through the see-through smoky barrel the ink tube is visible, which helps when a class set or a counter pen is being checked for spares. No refill is listed for the 4230, so it is a pen to use up and replace. Staedtler Australia supply this article by the box of 10, which is also their minimum order.\u003c\/p\u003e\u003cp\u003eOther click pens are in \u003ca href=\"\/collections\/retractable-ballpoint-pens\"\u003eretractable ballpoint pens\u003c\/a\u003e, three-sided grips in \u003ca href=\"\/collections\/triangular-barrel-pens\"\u003etriangular barrel pens\u003c\/a\u003e, and the wider choice in \u003ca href=\"\/collections\/ballpoint-pens\"\u003eballpoint pens\u003c\/a\u003e and \u003ca href=\"\/collections\/staedtler-writing-supplies\"\u003eStaedtler writing supplies\u003c\/a\u003e.\u003c\/p\u003e","brand":"Staedtler","offers":[{"title":"Default Title","offer_id":50552774361344,"sku":"SR4230 M-9","price":7.13,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0863\/5419\/8784\/files\/Staedtler_Ball_4230_Triangular_Ballpoint_Black_Pack_10_4230-M-9_2_Mega_Office_Supplies.jpg?v=1791401074"},{"product_id":"staedtler-437-msb4-triplus-ball-437-triangular-ballpoint-pen-medium-wallet-of-4-assorted-colours","title":"Staedtler Triplus Ball 437 Triangular Ballpoint Pen Medium Wallet 4 437 MSB4","description":"\u003ch2\u003eFour Everyday Ink Colours In A Wallet That Doubles As A Pen Stand\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eStaedtler 437 MSB4 is a wallet of 4 triplus ball ballpoints with a medium line, one each in red, blue, green and black.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFour colours cover most colour coding jobs: black for the main text, blue for comments, red for anything urgent and green for approvals or items done. That makes this wallet a tidy personal set for a planner, a meeting notebook, a shared family calendar or a study timetable. The label on the Staedtler wallet gives the medium line as about 1.0mm.\u003c\/p\u003e\u003cp\u003eStaedtler design the wallet so it opens out into a stand, keeping the four pens upright on the desk, and they list the triplus ball 437 as airplane-safe. Each pen has the triangular barrel Staedtler describe as ergonomic for relaxed and easy writing, a conical metal tip and a ventilated cap, and the ink is described as fast drying without smudging.\u003c\/p\u003e\u003cp\u003eBigger and bolder sets are in \u003ca href=\"\/collections\/triangular-barrel-pens\"\u003etriangular barrel pens\u003c\/a\u003e, and single colours by the box are under \u003ca href=\"\/collections\/ballpoint-pens\"\u003eballpoint pens\u003c\/a\u003e, \u003ca href=\"\/collections\/capped-pens\"\u003ecapped pens\u003c\/a\u003e and \u003ca href=\"\/collections\/staedtler-writing-supplies\"\u003eStaedtler writing supplies\u003c\/a\u003e.\u003c\/p\u003e","brand":"Staedtler","offers":[{"title":"Default Title","offer_id":50552918409472,"sku":"SR437 MSB4","price":9.78,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0863\/5419\/8784\/files\/Staedtler_Triplus_Ball_Medium_Wallet_4_Assorted_437-MSB4_1_Mega_Office_Supplies.jpg?v=1791401626"},{"product_id":"staedtler-437-xb-3-triplus-ball-437-triangular-ballpoint-pen-extra-broad-blue-box-of-10","title":"Staedtler Triplus Ball 437 Triangular Ballpoint Pen Extra Broad Blue Box 10 437 XB-3","description":"\u003ch2\u003eA Heavy Blue Line In A Three-Sided Staedtler Barrel\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eStaedtler 437 XB-3 gives you 10 triplus ball ballpoints in blue, each writing the extra broad (XB) line that is the boldest in the 437 family.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003ePlenty of offices ask for signatures in blue so a signed original can be told apart from a black and white photocopy, and a broad blue line makes that difference obvious. The same thick stroke suits greeting cards, name tents, noticeboard notes and anything written to be read from across a desk.\u003c\/p\u003e\u003cp\u003eStaedtler shape the barrel as a triangle, which they say gives an ergonomic hold for relaxed and easy writing, and they rate the pen as particularly smooth. Under the ventilated cap is a conical metal tip. According to Staedtler the ink is quick drying and avoids smudges, including when a highlighter is run over it, and the pen is built to be airplane-safe through automatic pressure equalisation.\u003c\/p\u003e\u003cp\u003eCompare widths and colours in \u003ca href=\"\/collections\/broad-tip-ballpoint-pens\"\u003ebroad tip ballpoint pens\u003c\/a\u003e and \u003ca href=\"\/collections\/capped-pens\"\u003ecapped pens\u003c\/a\u003e, or see \u003ca href=\"\/collections\/ballpoint-pens\"\u003eballpoint pens\u003c\/a\u003e and \u003ca href=\"\/collections\/staedtler-writing-supplies\"\u003eStaedtler writing supplies\u003c\/a\u003e.\u003c\/p\u003e","brand":"Staedtler","offers":[{"title":"Default Title","offer_id":50552918868224,"sku":"SR437 XB-3","price":24.43,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0863\/5419\/8784\/files\/Staedtler_Triplus_Ball_Blue_Extra_Broad_Box_10_437-XB-3_1_Mega_Office_Supplies.jpg?v=1791401633"},{"product_id":"staedtler-437-m-9-triplus-ball-437-triangular-ballpoint-pen-medium-black-box-of-10","title":"Staedtler Triplus Ball 437 Triangular Ballpoint Pen Medium Black Box 10 437 M-9","description":"\u003ch2\u003eBlack Medium Triplus Ball Pens For The Paperwork Pile\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eStaedtler 437 M-9 is a box of 10 triplus ball ballpoint pens with black ink and a medium line, each in a three-sided barrel with a cap.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eBlack medium is the default for most offices: application forms, timesheets, dockets, cheque butts and anything that will be scanned or photocopied later. Staedtler build the triplus ball around a triangular barrel that they call ergonomic, for relaxed and easy writing, and they describe the writing itself as particularly smooth. The tip is a conical metal point, and the cap is ventilated.\u003c\/p\u003e\u003cp\u003eTwo details matter at a busy desk. Staedtler say the ink dries fast so markings do not smudge, and their catalogue adds that it resists smudging even when highlighted, so a signed page can be marked up straight away. They also list the 437 as airplane-safe, with automatic pressure equalisation to stop the pen leaking on board aircraft, which suits a pen that lives in a laptop bag.\u003c\/p\u003e\u003cp\u003eFor the other colours and widths see \u003ca href=\"\/collections\/triangular-barrel-pens\"\u003etriangular barrel pens\u003c\/a\u003e and \u003ca href=\"\/collections\/capped-pens\"\u003ecapped pens\u003c\/a\u003e, or browse \u003ca href=\"\/collections\/ballpoint-pens\"\u003eballpoint pens\u003c\/a\u003e and \u003ca href=\"\/collections\/staedtler-writing-supplies\"\u003eStaedtler writing supplies\u003c\/a\u003e.\u003c\/p\u003e","brand":"Staedtler","offers":[{"title":"Default Title","offer_id":50552918900992,"sku":"SR437 M-9","price":24.43,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0863\/5419\/8784\/files\/Staedtler_Triplus_Ball_Black_Medium_Box_10_437-M-9_1_Mega_Office_Supplies.jpg?v=1791401633"},{"product_id":"staedtler-4230-m-retractable-triangular-ballpoint-pen-medium-blue-pack-of-10","title":"Staedtler Retractable Triangular Ballpoint Pen Medium Blue Pack 10 4230 M-3","description":"\u003ch2\u003eBlue Ink In A Three-Sided Click Pen\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eStaedtler 4230 M-3 is a box of ten blue ball 4230 retractable ballpoints, each with a triangular barrel and a medium 1.0mm tip.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003ePlenty of people simply prefer blue for handwriting, and many teachers ask students to write their work in it. Staedtler shape the 4230 barrel as a rounded triangle so the fingers settle into the same grip each time, and they say this makes for relaxed and easy writing. In their 2024 Australian trade catalogue they list the pen as retractable, with a medium tip set in a dark tint barrel, and describe the writing as particularly smooth.\u003c\/p\u003e\u003cp\u003eThe same catalogue lists the ink as indelible, conforming to ISO 12757-2, and marks the pen airplane safe, meaning pressure equalisation stops it leaking during a flight. That makes the blue 4230 a sensible pen for a travel bag or a laptop sleeve. Staedtler Australia supply this article in boxes of 10, which is how we sell it.\u003c\/p\u003e\u003cp\u003eBrowse more \u003ca href=\"\/collections\/retractable-ballpoint-pens\"\u003eretractable ballpoint pens\u003c\/a\u003e, other \u003ca href=\"\/collections\/triangular-barrel-pens\"\u003etriangular barrel pens\u003c\/a\u003e, the full \u003ca href=\"\/collections\/ballpoint-pens\"\u003eballpoint pen range\u003c\/a\u003e and \u003ca href=\"\/collections\/staedtler-writing-supplies\"\u003eStaedtler writing supplies\u003c\/a\u003e.\u003c\/p\u003e","brand":"Staedtler","offers":[{"title":"Default Title","offer_id":50553010094336,"sku":"SR4230 M-3","price":7.13,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0863\/5419\/8784\/files\/Staedtler_Ball_4230_Triangular_Ballpoint_Blue_Pack_10_4230-M-3_2_Mega_Office_Supplies.jpg?v=1791401979"}],"url":"https:\/\/megaschoolsupplies.com.au\/collections\/triangular-barrel-pens.oembed","provider":"Mega School Supplies","version":"1.0","type":"link"}