For doors,windows,truses and any welding work. We have iron square tubes of various sizes.

20X20X1.25 /1.5mm

25x25x1.25 /1.5mm

30x30x1.25 /1.5mm

35x35x1.25 /1.5mm

40x40x1.25 /1.5mm

50x50x1.25 /1.5mm

60x60x1.25 /1.5mm

The length is 5.80meters

Please contact us for more info.