Detailed Product Description Chisel:1. Using special high quality carbide tip, and 40Cr or better material for body; 2. Heat-treatment: auto net belt stove handling equipment, could meet strictly torsion test;3.Surface-treatment: sand-washed4.Shank: SDS-Plus,SDS-max,Four-Hollow with square shank5.Body: Hex,round6.Tip-Shape: point, flat, U