10″ (10 Inch) 3 Jaw Self Centering Lathe Chuck Precision

Internal Jaw Clamping Range: 0.2362″ (6mm) -4.3307″ (110mm). Internal Jaw Jamming Range: 3.1496″ (80mm) – 9.8425″ (250mm). External Jaw Clamping Range: 3.5433″ (90mm) – 9.8425″ (250mm).———–High precision self-centering design. Superior gripping force to meet precision machining demands. Flimsy parts are specifically engineered by quenching process to enhance durability. Short cylindrical center mounting. One set of solid steel internal jaws, one set of solid steel external jaws, and chuck wrench are also included in the package. Body is made of high quality nodular cast iron suitable for high rotation speed.