Breaker and Demolition Hammer Chisel Chisel Type Flat Chisel Shank Type - Machining Hex Shank Diameter 21/32 in Shank Hex Size 1 1/8 in Shank Length 15 3/4 in Measurement System Fractional Inch Head Width 5 in Overall Length 17 in Chisel Collar Shape Flat For Tool Type Rotary Hammer Maximum Drilling Depth 4 in