Breaker and Demolition Hammer Chisel Chisel Type Ground Rod Driver Shank Type - Machining Hex Shank Diameter 1 1/8 in Shank Hex Size 1 1/8 in Shank Length 2 in Measurement System Fractional Inch Head Width 3 in Overall Length 15 1/2 in Chisel Collar Shape Hex For Tool Type Rotary Drill