Chisel Bit, Chisel Type Flat Chisel, Shank Type - Machining SDS Plus, Shank Di...Chisel Bit, Chisel Type Flat Chisel, Shank Type - Machining SDS Plus, Shank Diameter 25/64 in, Measurement System Fractional Inch, Head Width 1 1/2 in, Overall Length 10 in, Chisel Collar Shape Flat, For Tool Type Rotary Drillmore