... , Hitachi, Used in cutting hole for coconcrete and brick wall. → Hex Chisel,Flat Chisel, Point Chisel,→ Accessories for power tools as ... chisel Groove chisel Length: 280mm, 360mm, 400mm, 450mm, 600mm 18mm round→ Material: 40cr steel→ Surface Finish: sandblastOEM is offered,any question ... a longterm business.Looking forwarding to hearing from you soon. Hex Point Chisels