Morse™s Fast-Adapt quick-change chucks converts your three jaw chuck into a quick-change chuck. The one-handed loading and unloading system allows fast insertion and removal of 1/4-, 3/8-, and 7/16-inch hex shank power tool accessories fitted with standard power grove hex shanks. The Morse Fast-Adapt quick-change chucks are available in two styles; one that accepts 1/4-inch hex shanks and an exclusive dual chuck that accepts either 3/8-inch or 7/16-inch hex shanks. For more information visit www.mkmorse.com or call (800) 733-3377.