Stanley fatmax vibration dampening curved claw nailing hammers stanley fmht1 51260 the stanley fatmax antivibe curved claw 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 14oz strikes like a 20oz head it has a steel shaft with overstrike protection and a polypropylene jacket with an extra dampening layerhead weight 400g