Bosch Hammer HDH361 01 1 2 Inch Cordless Power Drill Kit (36V 4.0 Ah Battery Charger 885 in lbs Torque Concrete Masonry Anchor Drilling) Rotary Hammer orientation of the chisel point orientation of the chisel point parallel to the grain slices cleanly through fibers to eliminate splitting near edge corners industrial pump flanges All Metal Keyless Chuck: Heavy duty industrial chuck provides superior bit retention and prevents slippage under high hammer impacts The Bosch HDH361 01 36V Cordless 1 2 Inch Brute Tough Hammer Drill Driver Kit is a heavy duty rotary percussion tool engineered for high torque concrete anchoring