DW5770-A Breaker and Demolition Hammer Chisel, Chisel Type Bull Point Chisel, Shank Type - Machining Hex, Shank Diameter 21/32 in, Shank Hex Size 3/4 in, Shank Length 3/4 in, Measurement System Fractional Inch, Head Width 1 in, Overall Length 12 in, Chisel Collar Shape Point, For Tool Type Rotary Hammer, Maximum Drilling Depth 6 in