Irwin Tools 4935076 5 Piece Hammer Drill Bit Set
Round shank fits hammer drills with 3 jaw chuck. Chrome vanadium spring steel shaft. Carbide tip made to ANSI specifications. Rotary percussion bit set includes 1 each: 5/32'' x 6'', 3/16'' x 6'', 1/4'' x 6'', 3/8'' x 6'', and 1/2'' x 6''.