Made from high-quality materials Easily modify your vise to have horizontal rotary handle Freely rotating shaft Works with any vise that has a 1/4 inch handle Limited lifetime warranty on materials and workmanship For those who prefer a horizontal handle, PEAK's D-Arm is the perfect accessory. Easily assembled with the included tool, this rotating handle will enhance your tying experience. The freely rotating shaft allows you to turn your vise without the handle spinning in your fingers.