Probst 51800128 500 Deadblow Hammer 12" x 2.75" is crafted with sturdy materials - welded steel, wood, and hard nylon - to go the distance. This easy-to-use design incorporates ergonomic shaping in the handle to reduce fatigue. Double-headed style provides twice the functional work surfaces. Used for minimizing damage to the struck surface and limiting peak striking force, with minimal elastic rebound.