Stanley FMHT1-51277 FatMax Antivibe All Steel Curved Claw Hammer 570g (20oz) The Stanley FMHT1-51277 claw hammer with anti-vibration grip has a patented over-sized striking face for precision hammering as well as a balanced head for increased control. The proprietary tuning fork has been designed to reduce vibration and arm fatigue upon use. Features: FatMax Antivibe All Steel Curved Claw Hammer One-piece forged construction for durability and balance Anti vibe tuning fork to dampen vibration Soft grip for comfort and control Specification: Head Weight: 20oz. Face Style: Smooth Claw Type: Rip Face Diameter: 33mm Grip Type: Rubber Shaft Material: Steel Weight: 570g (20oz)