Stanley fatmax vibration dampening curved claw nailing hammers stanley fmht1 51249 the stanley fatmax antivibe rip nailing hammer has best in class vibration dampening with a two piece steel construction with isolated steel head for vibration reductionthe hammer has an oversized striking face and allows high velocity so that the hammer strikes like a heavier head it has a steel shaft with overstrike protection and a polypropylene jacket with an extra dampening layerhead weight 400g 14o