This 115mm 4-Jaw, Self-Centering Chuck with dovetailed jaws is great for small bowl and plate turning and features jaws that grip by clamping around the workpiece or expanding to fit a turned recess. The clamping range is between 50mm and 95mm. Includes T-handled wrenche, woodworm screw, and hex wrench. Works great with the other optional jaws, which are available for additional clamping options.