... Surface treatment: Hot dipped galvanized before or after welding; PVC coated; stainless steel Length of 30M roll; Width of ... 18,19,20,21,22,235/8"X5/8"16*1618,19,20,213/4"X3/4"19* ... 1/2"X1-1/2"38*3814,15,16,17,18,191"X1"25.4*25.414, ... X3"50*7510,11,12,13,14,15,16,173"X3"75*7510,11,12,13,14, ... 15,16,172"X4"50*10010,11,12,13,14 ... WIDTH 1.2M1"X1"25.4*25.414,15,16,17,182"X2"50*5010,11,12,13,143 ...