HomeAll ProductsRectangle GratingDuctile iron casting manhole chimney grating.It has two locks.Stainless chrome nickel steel is used at the lock bolt.Rectangle GratingMaterial (optional)SelectClass (optional)SelectProduct Info Product weight is 47 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).