BLACK & DECKER/INDUS. CONST. 577-86A5/8 PROTO Cold Chisel, 3/4in

Hand ground cutting edge Modified parabolic striking end to help reduce mushrooming and chipping

Forcing screws are coated with an aerospace dry film lubricant to increase screw life, reduce wear and torque required for screw turning Screw threads must be kept clean at all times

Hand ground cutting edge Hardened, quenched and tempered to precise specifications

Hand ground cutting edge Modified parabolic striking end to help reduce mushrooming and chipping

Modified parabolic striking end for resistance to mushrooming and chipping For metal working layout such as marking intersecting lines, hole locations, and pilot drill starting points