BOSTITCH 51-853 16oz Steel Hammer Rip Claw 2-Speed range for high speed drilling or high torque applications Soft grip handle and two-finger trigger for increased comfort and greater control This product is made of high quality material 75 percent larger strike face for improved striking accuracy (patent pending) Patented AntiVibe technology minimizes vibration and shock at impact Patented torsion control stabilizers reduce arm-twisting fatigue Magnetic nail start feature for extended reach for one-handed nailing Smooth face hammer