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Mild steel square - mild,
£10.70
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Cheap mild steel tube round - mild,
£9.30
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Mild steel box section - mild,
£17.67
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Mild steel box - box, section
£18.02
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Square plastic end caps for - plastic,
£5.71
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Mild steel box - steel, square
£13.90
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Mild steel box - steel,
£40.00
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Square plastic end - square, for
£9.39
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Aluminium frame builder
£2.00
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Aluminium square tube 25mm - square, x
£5.20
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Erw steel square rectangle - erw,
£10.44
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Pack heavy duty square - heavy,
£36.57
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Mild steel box section - box, square
£14.30
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Mild steel erw - mild,
£10.10
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Mild steel box section square - steel,
£10.29
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Aluminium square box - square, section
£10.64
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Square end caps plastic - square,
£35.60
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Square end caps plastic for - square,
£11.42
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Plastic pipe fittings 20x20mm - plastic,
£5.99
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Metals tubes aluminium - tubes,
£3.99
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Square tube connector joints - tube,
£2.51
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Aluminium square box - square, tube
£9.53
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Mild steel box section - steel,
£9.71
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Aluminium square box - aluminium,
£8.49
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Black plastic square tubes - black,
£6.99
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Mild steel box section - steel, square
£34.30
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Erw square steel tube - steel,
£14.00
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Aluminium box section tube - aluminium,
£8.00
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Galvanised square clamps - square,
£10.50
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Aluminium square box section - square,
£8.81
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Aluminum square - aluminum,
£20.27
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Mild steel erw round - erw, tube
£6.50
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Mild steel square - mild,
£11.20
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Erw square tube - erw.,
£13.82
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Aluminium square box section - aluminium,
£10.30
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Mild steel box section - steel, square
£59.80
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Aluminium square box - aluminium,
£8.68
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Square plastic black - plastic,
£4.68
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Aluminum square tubing - square,
£25.06
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Stainless steel square - stainless,
£15.50
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Plastic square tubes pvc box - plastic, tubes,
£8.99
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Square plastic end caps - square, for
£1.98
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Plastic end caps for square - end,
£6.83
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Square tube inserts end - square,
£6.25
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Plastic square tubes black - plastic,
£6.75
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Powder coated aluminium square - powder,
£23.00
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Abs styrene square plastic - abs,
£5.59
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Stainless steel square tube - square,
£6.87
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40x40mm square plastic - square, end
£13.44
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Brass square tube - tube, 6-20mm
£28.50
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Square plastic end caps - square, tube
£4.91
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Abs styrene plastic square - styrene,
£4.97
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Aluminium square box section - aluminium,
£10.14
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Square rectangle end - &,
£34.70
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Mild steel square box hollow - box,
£14.99
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Plastic end caps for - plastic,
£104.84
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Aluminium square box section - aluminium,
£8.03
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Aluminium square hollow bar - square,
£8.49
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Plastic end caps for - for, square
£6.83
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Aluminium square box tube - aluminium,
£23.11
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Flexible duct round - 6",
£12.99
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Cheap mild steel - cheap, box
£13.50
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Square tubes white plastic - tubes,
£6.99
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Square tube connector joints - square,
£6.47
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25x25mm square plastic end - square,
£10.98
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Plastic duct round - 4",
£7.99
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Aluminium square box - square,
£7.59
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Stainless steel box - stainless,
£9.11
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Square plastic end caps bungs - square,
£2.10
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Galvanised key clamp - galvanised,
£9.50
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Aluminium square box tube - square,
£8.45
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50x50mm square plastic end - square,
£23.66
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Square plastic black blanking - square,
£6.55
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Albion alloys metric - alloys,
£7.95
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Steel erw square hollow - steel, box
£16.00
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Square plastic end caps - square, for
£5.75
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Aluminium square box tube - square,
£9.53
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Albion alloys brass rods - alloys,
£5.95
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Aluminium telescopic square - aluminium,
£58.01
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Mild steel square box - box, section
£9.84
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Mild steel box - box, section
£19.36
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Threaded tube inserts for - tube,
£10.95
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Aluminium square box section - box,
£8.10
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Square tube inserts m8 - square,
£7.46
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Square tube metal bar box - tube,
£8.35
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Square plastic end - square,
£27.89
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20x20mm square tube - square, fixed
£6.91
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Abs styrene plastic strip - plastic,
£5.27
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50mm black blanking end - black,
£3.39
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Square tubing adapter aluminum - adapter,
£8.47
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Square plastic end caps - plastic,
£5.78
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Plastic end caps for - plastic,
£5.39
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Square end caps plastic - end,
£7.20
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Square tube connector - tube, joints
£8.60
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Square threaded tube inserts - square,
£27.50
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Aluminum square - aluminum,
£34.56
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Looking for more square tubing?
Search eBay live — fresh results filtered for the best value, updated every hour.
Browse 96 square tubing listings currently in our index. Prices range from £1.98 to £104.84, with an average of £13.89. 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 square tubing →
Try this: stainless steel flat bar | stainless steel sheets | titanium pipe | titanium tubing | tube | zinc strips | jugs 2 copper | billets steel | building tools materials | 8x4 steel chequer plate
Whether you are looking for a brand-new or second-hand square tubing, eBay offers one of the largest selections available online. With 96 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 £1.98, while premium listings can reach £104.84 — giving you a wide budget spread to work with. The average price of £13.89 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.