Rikon's Z3 4-Jaw Chuck Kit 71-103 is an ideal wood lathe accessory for crafting bowls, platters, spindles, and decorative items. This self-centering chuck, precision-made from high tensile steel, boasts a geared jaw system for easy use and superior project grip. Redesigned sliders offer enhanced strength for securely attaching various compatible jaw set accessories. The meticulously machined chuck body and internal gearing ensure smooth, reliable opening and closing with the included special chuck key.