1)iteam: galvanized steel BS4568/31 GI conduit
2)material: galvanized steel
3)size: 20mm, 25mm, 32mm, 3/4'', 1'', 1-1/4''.
4)standard: BS standard
5)brand name: AWQ
6)usage: it used for wire instruction and protection.
7)notes: available on both class3 and class 4