Weighs only 1.2 pounds with a 2-1/8-inch outside diameter * Includes step jaws, round jaws, and pin jaws * Mounts to 3/4-inch-by-16 tpi and also adapts to 1-inch-by-8 tpi * Holds workpiece from 5/8-to-2-inch inside hole diameter * Holds dowell from 1/4-to-1-1/2-inch outside diameter