Breaker and Demolition Hammer Chisel Chisel Type Super Cut Chisel Shank Type - Machining Hex Shank Diameter 1 1/8 in Shank Hex Size 1 1/8 in Measurement System Fractional Inch Head Width 1 3/4 in Overall Length 20 1/2 in Chisel Collar Shape Hex For Tool Type Rotary Drill