Draper 40406 Hollow Square Mortice Chisel and Bit Set (5 Piece)Manufactured from high carbon steel hardened and tempered. Finely ground and polished with honed cutting edges. Supplied in wooden presentation box. Display packed. Features Contents: 1 4", 5 16", 3 8", 1 2" and 5 8" mortice squares High carbon steel hardened and tempered Finely ground and polished with honed cutting edges Supplied in wooden presentation box Dimensions & Weight Weight 1. 195 kg Length 242 mm Width 154 mm Height 36 mm Standards &