Fiskars IscoCore 4 Pound Club Hammer 14 Inch Ideal for single-handed use when doing precision demolition work (demolition face) or when driving masonry nails, stakes or chisels (driving face) Wedged demolition face concentrates force for up to 5x more destructive power than traditional designs and directs debris to the sides, not back at you Extra-large diameter driving face improves strike accuracy Patented IsoCore shock control system absorbs strike shock and vibration to reduce the punishment your body takes, transferring 2x less shock and vibration than wood handles Full lifetime warranty