Stanley FatMax 51-944 20-Ounce AntiVibe Rip Claw Nailing Hammer Stanley - Black & Decker 1-piece double-forged steel head and handle for superior swing and greater durability Patented ergonomic handles designed for multiple grip positions Unique grip design for both framers and nail hammers Limited lifetime warranty An ideal professional grade rip claw hammer 1-piece double-forged steel head and handle for superior swing and greater durability Patented ergonomic handles designed for multiple grip positions Unique grip design for both framers and nail hammers Limited lifetime warranty