Product details:

This Wood Lathe Chuck Set includes a 4-jaw self-centering chuck and interchangeable jaws for bowls, spindles, and hard-to-hold projects. - Set Includes:4-Jaw self-centering chuck to hold round and square stock - Interchangeable dovetail jaws, step jaws, and internal/external grip jaws - Interchangeable flat lathe chuck jaws with short and long multi-position grip-studs - Screw chuck - Sliding T-handle chuck key - T-handle hex wrench - Padded carrying case - Spindle thread: 1x8 TPI RHIndexed backplate: 24 positions - Chuck diameter: 4-1/4 inch