... durability Specification: 1. Material:45#carbon steel, 40Cr 2. Chisel tip Shape: Point Tip(Flat, gauge is also available)3. Body shape ... .6. Size: 14x250mm, 17x250mm, 17x280mm, Accessories for power tools as Bosch,Hitachi, Makita, Metabo, Hilti , etc.Other specification is also available ...