Unbreakable handle technology and steel core design prevents breaking during overstrikes soft face head designed to mushroom when striking hard base materials safety plate locks head firmly to handle eliminating head dislodging non-slip grip vulcanized rubber handle and lanyard hole to safely secure sledge to your wrist anti-vibe neck ergonomically designed to prevent injury from repeated jobsite use wilton is on a never-ending journey to create the highest quality, most indestructible tools on the market. on this journey we managed to design the patent pending, world's most durable hammer with unbreakable handle technology. key applications: mining, railroads, cutting tools, maintenance on hard metal surfaces