Bostitch 51-855 AntiVibe Rip Claw Nailing Hammer, 20 Oz Steel Head, 13.5"This Bostitch Steel Hammer is forged for increased strength and durability and was built with a 75 percent larger strike face to improve your striking accuracy. It won't easily chip or slip from your hands. Its patented AntiVibe technology works to minimize vibration by acting as a tuning fork that dispels vibration more readily as the hammer strikes the work. Patented torsion control stabilizers reduce arm twisting fatigue; especially when compared