New Anti Vibe technology Great news for arms The patented tuning fork design together with the 24 individual torsion bars in the handle combine to reduce harmful vibrations that can cause wrist & arm injuries Protection against torsion Innovative inner layer reduces torque by more than 30 Ergonomic grip design The ergonomic grip allows for multiplegrip positions which prevents longterm damage to arms Magnetic nail starter Holds nail in place while you start to drive the nail Great if you are driving nails into hard to reach places Extra comfort Specially designed antislip rubber grip with patented diamondpattern texture increases comfort & performance Larger sweet spot Onepiece forged head has a larger sweet spot & better balance Weight 20oz Length 1312in