Specifically forged for use on powered impact tools. Precision cold-forged, hardened and tempered chrome vanadium steel. Clear, laser-etched sizes and industrial phosphate-coated for tough corrosion resistance. Side wall hole for ball or pin locking to the tool. Includes 75, 150 and 250mm. Specifically forged for use on powered impact tools. Precision cold-forged, hardened and tempered chrome vanadium steel. Clear, laser-etched sizes and industrial phosphate-coated for tough corrosion resistance. Side wall hole for ball or pin locking to the tool. Includes 75, 150 and 250mm.