... , 12meter3)Equal size: 20*20*3mm -200*200*24m Hot Dipped Galvanized Angle Steel Dimensions10*10*0.5mm-200*200*24mmLength6m, 12m or as ... you request.Steel gardesQ195-Q345, SS400, St37-2, S235JR, ect.StandardGB9787-88, JISG3192 ... your detailed requirements, including the material, specification, quantity you need. Hot Dipped Galvanized Angle Steel 2#-200#