Reddit reviews Fiskars IsoCore 3 Pound Club Hammer, 11 Inch

Ideal for single-handed use when doing precision demolition work (demolition head) or when driving masonry nails, stakes or chisels (driver head)Wedged demolition head concentrates force for up to 5X more destructive power than traditional designs and directs debris to the sides, not back at youExtra-large diameter driving face improves strike accuracyPatented IsoCore Shock Control System absorbs strike shock and vibration to reduce the punishment your body takes, transferring 2X less shock and vibration than wood handlesFull lifetime warranty