Material: aluminium, grey iron, malleable iron, carbon steel, type: 20mm, 25mm, 32mm surface: Hot galvanized or galvanizati ... 1)Material: aluminium, grey iron, malleable iron, stainless steel,carbon steel 2) Ingress protection: IP67 x DIN VDE 0470 TEIL ... /4", 11/2", and 2" (with different dimensions) BS4568 distance saddle