Features Durable 20CrMnTi Material - Crafted from high-quality 20CrMnTi, offering exceptional wear resistance for long-lasting performance in demanding conditions Enhanced Structural Strength - Featuring high hardness and robust structural integrity, ensuring reliable performance during intensive machining tasks Precision Engineering - Delivers high accuracy and compatibility with the K11-200 8in chuck, guaranteeing optimal functionality for your CNC machine Superior Craftsmanship - Designed with attention to detail, these internal jaws provide a delicate yet firm grip, enhancing your machining efficiency Extended Service Life - Built from premium materials and expertly crafted, these accessories ensure prolonged durability and reduce the need for frequent replacements Features: 1、 Adopts 20CrMnTi material of good wear resistance. betweenbr> 2、 High hardn ,good structural strength, working performance. betweenbr> 3、 High accuracy,standard accory for K11-200 8in chuck. betweenbr> 4、 Delicate and ele, high durability, firm and strong. betweenbr> 5、 Well craftsmanship and good material provides long service life. betweenbr> Specification: Item Type:Internal Chuck Material:20CrMnTi Fit for K11-200 8in Chuck Package List: 3 x Jaw Package List 3 x Jaw