Ductile casting manhole granting The hinge can be opened. 180� It is painted with industrial dye The hinge pin is stainless Cr- Ni steel.Rectangle GratingMaterial*EN GJS 500/7 & DIN GGG 50Class*D 400Product Info Product weight is 60 kg. Manufactured in compliance with EN124 NotesWeight tolerance: plus or minus 2 kg (up to 24 kg)plus or minus 3 kg (24�125 kg)and plus or minus 4 kg (over 125 kg).