Tri square
Tri square for sale on Ireland's largest auction and classifieds sites
Or 8 - 6", (150mm) - £4.99
150mm 300mm engineers • Try square set • Right angle guide - Free postage - New and Used
150mm 300mm engineers • Try square set • Right angle guide - Free postage - New and Used
2pc metal roofing - roofing, set - £10.49
Heavy duty aluminium • Square high contrast • Markings clearer reading - Free postage - New and Used
Heavy duty aluminium • Square high contrast • Markings clearer reading - Free postage - New and Used
Try square 6 inch - 4, & - £27.60
Piece set general • Purpose high quality • Engineers squares wooden - Free postage - New and Used
Piece set general • Purpose high quality • Engineers squares wooden - Free postage - New and Used
Aluminium alloy roofing - 7'', - £5.89
Easy read angle • Scale allows you • From degrees 180 - Free postage - New and Used
Easy read angle • Scale allows you • From degrees 180 - Free postage - New and Used
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300mm adjustable engineers - adjustable, - £4.19
300mm stainless steel • Moving angle ruler • School training education - Free postage - New and Used
300mm stainless steel • Moving angle ruler • School training education - Free postage - New and Used
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48 listings · from £4.19 · avg £13.34
⚠️ These listings were last updated more than 13 days ago.
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Browse 48 tri square listings currently in our index. Prices range from £4.19 to £243.59, with an average of £13.34. Whether you are hunting for a bargain or looking for a top-spec model, the selection below covers all price points — new, used and refurbished. More about tri square →
300mm adjustable engineers - 300mm, - £4.79
Type adjustable combination • Square construction building • Colour silver fully - Free postage - New and Used
Type adjustable combination • Square construction building • Colour silver fully - Free postage - New and Used
300mm adjustable engineers - adjustable, - £6.99
Hardened steel blade • Maintains sharpness precision • Repellat cum officiis - Free postage - New and Used
Hardened steel blade • Maintains sharpness precision • Repellat cum officiis - Free postage - New and Used
12 hardwood try - , - £6.29
Ideal carpentry silverline • 5pc sealant tool • Smoothing silicone grout - Free postage - New and Used
Ideal carpentry silverline • 5pc sealant tool • Smoothing silicone grout - Free postage - New and Used
Red roofing square - red, - £6.29
Aluminium alloy roofing • Rafter square triangle • Angle guide colour - Free postage - New and Used
Aluminium alloy roofing • Rafter square triangle • Angle guide colour - Free postage - New and Used
Engineers right angle polished - right, - £5.59
Machinist square 200mm • Pliers cutters neilsen • Engineers right angle - Free postage - New and Used
Machinist square 200mm • Pliers cutters neilsen • Engineers right angle - Free postage - New and Used
150mm 300mm - (6"), (12") - £6.39
150mm 300mm engineer • Square level made • From aluminum steel - Free postage - New and Used
150mm 300mm engineer • Square level made • From aluminum steel - Free postage - New and Used
Neilsen adjustable - neilsen, 12" - £12.69
Neilsen air blow • Gun compressed line • Duster nozzle tool - Free postage - New and Used
Neilsen air blow • Gun compressed line • Duster nozzle tool - Free postage - New and Used
Engineers tri set square - tri, right - £4.94
Can also used • Ruler required different • Engineers set squares - Free postage - New and Used
Can also used • Ruler required different • Engineers set squares - Free postage - New and Used
3pc engineers square - 3pc, 3" - £19.95
3pc engineers square • Set hardened ground • Finish - Free postage - New and Used
3pc engineers square • Set hardened ground • Finish - Free postage - New and Used
Precision steel hardened - steel, - £27.78
Situated industrial hub • India specialize providing • Complete tooling solutions - Free postage - New and Used
Situated industrial hub • India specialize providing • Complete tooling solutions - Free postage - New and Used
Aluminium folding square - 24", - £15.31
Material constructed from • Lightweight aluminum 3mm • Thickness folding square - Free postage - New and Used
Material constructed from • Lightweight aluminum 3mm • Thickness folding square - Free postage - New and Used
Neilsen engineers right angle - neilsen, - £4.99
Neilsen air blow • Gun compressed line • Duster nozzle tool - Free postage - New and Used
Neilsen air blow • Gun compressed line • Duster nozzle tool - Free postage - New and Used
Aluminium speed set square - 7", - £4.79
Mitre square aluminium • Superb heavy duty7 • Alloy they can - Free postage - New and Used
Mitre square aluminium • Superb heavy duty7 • Alloy they can - Free postage - New and Used
Hardwood try - (300mm), - £12.64
Steel blade 300mm • Made from best • Quality hardwood fixed - Free postage - New and Used
Steel blade 300mm • Made from best • Quality hardwood fixed - Free postage - New and Used
Aluminium alloy roofing - , - £5.59
Multi functional tool • Can used accurate • Saw guide protractor - Free postage - New and Used
Multi functional tool • Can used accurate • Saw guide protractor - Free postage - New and Used
300mm adjustable engineers - 300mm, - £5.25
300mm stainless steel • Moving angle ruler • School training education - Free postage - New and Used
300mm stainless steel • Moving angle ruler • School training education - Free postage - New and Used
Aluminium set square - aluminium, - £5.39
They can used • Accurate saw guide • Protractor mitre rolson - Free postage - New and Used
They can used • Accurate saw guide • Protractor mitre rolson - Free postage - New and Used
Engineers try square - square, inch - £243.59
- Free postage - New and Used
- Free postage - New and Used
Adjustable combination tri - 12", - £13.09
Pliers cutters screwdriver • Bits pozi flexi • Head knuckle power - Free postage - New and Used
Pliers cutters screwdriver • Bits pozi flexi • Head knuckle power - Free postage - New and Used
250 300 350 400 carpenter - 250/300/350/400, - £5.59
Carpenter working joiners • Try square rule • Hardened steel stalco - Free postage - New and Used
Carpenter working joiners • Try square rule • Hardened steel stalco - Free postage - New and Used
200mm engineer tri - 8”, - £5.87
Can also used • Ruler required stainless • Steel set square - Free postage - New and Used
Can also used • Ruler required stainless • Steel set square - Free postage - New and Used
300mm adjustable - 300mm, (12") - £5.99
Overall 300mm 100mm • Adopting stainless steel • Ruler alloy base - Free postage - New and Used
Overall 300mm 100mm • Adopting stainless steel • Ruler alloy base - Free postage - New and Used
300mm adjustable engineers - 300mm, - £5.15
- Free postage - New and Used
- Free postage - New and Used
Faithful inch 225mm - faithful, - £9.73
Inch 225mm engineers • Square reliable hand • Tool precision mind - Free postage - New and Used
Inch 225mm engineers • Square reliable hand • Tool precision mind - Free postage - New and Used
Aluminium set square - 7", - £9.99
Aluminium set square • Triangle roofing rafter • Carpentry speed - Free postage - New and Used
Aluminium set square • Triangle roofing rafter • Carpentry speed - Free postage - New and Used
300mm adjustable engineers - 300mm, - £5.95
300mm adjustable engineers • Combination try square • Set toolzone versatile - Free postage - New and Used
300mm adjustable engineers • Combination try square • Set toolzone versatile - Free postage - New and Used
300mm adjustable engineers - adjustable, - £5.99
300mm stainless steel • Moving angle ruler • 1pcs made high - Free postage - New and Used
300mm stainless steel • Moving angle ruler • 1pcs made high - Free postage - New and Used
Tri square joiners - tri, - £7.50
150mm carpenters tri • Try joiners set • Square joinery rosewood - Free postage - New and Used
150mm carpenters tri • Try joiners set • Square joinery rosewood - Free postage - New and Used
High quality inch try - high, - £8.45
- Free postage - New and Used
- Free postage - New and Used
Parkside 150mm 250mm 500mm - parkside, - £15.95
Parkside tools handle • Hex key set • Sizes 150mm 250mm - Free postage - New and Used
Parkside tools handle • Hex key set • Sizes 150mm 250mm - Free postage - New and Used
Inch engineer tri - inch, - £7.62
Can also used • Ruler required stainless • Steel set square - Free postage - New and Used
Can also used • Ruler required stainless • Steel set square - Free postage - New and Used
All sizes woodworking - all, - £5.39
Carpenter working joiners • Try square rule • Hardened steel stalco - Free postage - New and Used
Carpenter working joiners • Try square rule • Hardened steel stalco - Free postage - New and Used
Carpenters squares with - squares, - £6.29
These quality tri • Squares are made • From rosewood type - Free postage - New and Used
These quality tri • Squares are made • From rosewood type - Free postage - New and Used
Rolson 50855 aluminium - rolson, square - £6.89
Placing your order • You acknowledge accept • Condition product described - Free postage - New and Used
Placing your order • You acknowledge accept • Condition product described - Free postage - New and Used
Bluespot combination - 12”, - £6.75
- Free postage - New and Used
- Free postage - New and Used
Engineers square - engineers, - £4.89
Hardened tempered finely • Polished blades 50mm • 100mm 150mm 200mm - Free postage - New and Used
Hardened tempered finely • Polished blades 50mm • 100mm 150mm 200mm - Free postage - New and Used
Engineers solid steel square - solid, - £4.99
Pliers cutters tempered • Finely polished blades • Engineer square made - Free postage - New and Used
Pliers cutters tempered • Finely polished blades • Engineer square made - Free postage - New and Used
Engineers square 50mm tri - engineers, - £4.39
Repellat cum officiis • Aspernatur numquam minus • Quaerat premium stainless - Free postage - New and Used
Repellat cum officiis • Aspernatur numquam minus • Quaerat premium stainless - Free postage - New and Used
Heavy duty combination - 6", - £5.19
Quality combination square • Sliding ruler scribe • Level - Free postage - New and Used
Quality combination square • Sliding ruler scribe • Level - Free postage - New and Used
Toolzone 300mm set - 300mm, square - £13.19
Toolzone 300mm set • Square aluminium roofing • Roofers rafter tri - Free postage - New and Used
Toolzone 300mm set • Square aluminium roofing • Roofers rafter tri - Free postage - New and Used
300mm adjustable engineers - adjustable, - £4.99
300mm stainless steel • Moving angle ruler • School training education - Free postage - New and Used
300mm stainless steel • Moving angle ruler • School training education - Free postage - New and Used
300mm set square - set, - £9.98
300mm long quality • Engineer square made • From hardened solid - Free postage - New and Used
300mm long quality • Engineer square made • From hardened solid - Free postage - New and Used
Speed square roofing - speed, square/roofing/rafter - £8.20
They can used • Accurate saw guide • Protractor tri square - Free postage - New and Used
They can used • Accurate saw guide • Protractor tri square - Free postage - New and Used
Try this: turning gouge | unusual tools | upholstery hammer | veritas plane | vintage router planes | vintage tyre pressure gauge | wad punch | whitehouse axe | whitehouse hammer | wood carving chisels
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Everything you need to know about tri square
Whether you are looking for a brand-new or second-hand tri square, eBay offers one of the largest selections available online. With 48 active listings at the time of this page's last update, you have plenty of choice across different conditions, sellers and price points. The cheapest option currently starts at £4.19, while premium listings can reach £243.59 — giving you a wide budget spread to work with. The average price of £13.34 can serve as a useful benchmark: listings below this tend to be used or auction-style, while those above often include extra accessories, warranties, or are sold by professional sellers with high feedback scores. Always check the seller's feedback rating and return policy before committing to a purchase. If you need the item quickly, filter by "Buy It Now" to avoid the uncertainty of auctions. For used items, look closely at the condition description and photos — terms like "good", "very good" and "like new" can mean very different things depending on the seller.