Product Specifications: Model: K13-160 Jaw material: Hardened steel Maximum speed: 2500 r/min Lower jaw: 6 lower jaw Power supply: manual Internal jaws: Clamping range A-A1: 3-55mm Interference range B-B1: 50-160mm Outer jaw: Clamping range C-C1: 55-145mm —————————————– The packaging includes: 1X Self-centering chuck body 6X lower jaw 1X Security Chuck Key 3X set screw. 6 inch Lathe Chuck Self-centering CNC Chuck Body 6 Jaw 160mm 2500 r/min K13-160. The self-centering lathe chuck is composed of a strong cast iron body and six steel jaws so that it can withstand harsh working environments. It features a wide clamping range and high precision. The chuck is suitable for machine tools and accessories, such as ordinary lathes, economical CNC lathes, grinders, milling machines, drilling machines and machine tool accessories. 1X Self-centering chuck body. 1X Security Chuck Key. 6-jaw design lathe chuck: diameter: 160 (mm) internal jaw clamping range: 3-55 (mm), external jaw clamping range: 50-145 (mm). Each jaw cannot be adjusted individually. High-quality materials-The main body of the chuck is made of high-quality cast iron. All guide rails and bearing surfaces are precision machined. Durable two sides are polished and hardened. Clamping range A-A1: 3-55mm. Interference range B-B1: 50-160mm. Clamping range C-C1: 55-145mm. Jaw material: Hardened steel. Maximum speed: 2500 r/min. Lower jaw: 6 lower jaw. Feedback is very important to us. It is impossible to address issues if we do not know about them! Faction is our ultimate goal. We work hard to earn your trust and future business. A If you receive a defective item, you may return it or ask for a discount. Due to time zones, our reply to your questions may not be immediately. If it’s non-workdays, please kindly be patient and wait till Monday.