This 22 Oz. framing hammer is designed for comfort and performance. It has anti-vibe technology that eases fatigue by reducing the vibrations felt by the user. This rip claw hammer also features a patented ergonomic rubber grip that decreases the effects of torque on elbows and wrists. 20 percent larger sweet spotAnt vibe technology minimizes vibration and shock at impactTorsion control stabilizers reduce arm-twisting fatigueMagnetic nail start feature for extended reach for one-handed nailingExclusive rim temper reduces incidences of chipping or spallingForged, one-piece steel construction for strength and durabilitySlip-resistant handle for a secure grip and comfortPrecision balanced