... Material: aluminium, grey iron, malleable iron, carbon steel, type: 20mm, 25mm, 32mm surface: Hot galvanized or galvanizati 1)Material: ... IP67 x DIN VDE 0470 TEIL 1/11.923) Conduit boxes are according to BS EN60529:1992, IEC529:1989 ... Aluminium alloy-die casting:Way/terminal box-3/4":1) Internal dimensions: 57.5 x 23mm ... ", 11/4", 11/2", and 2" (with different dimensions) Conduit Box