1. It is quick and easy to install. 2. It can securely hold square cutting tools with a diameter ranging from 3/16 to 1/2 inches. 3. It is precision ground and hardened, completely sealed and maintenance-free. 4. It offers high rigidity for chatter-free performance. Turning and facing tools can be locked. 5. It is compatible with 250 - 100 or 250 - type tool holders. 6. It is suitable for a wide range of operations, from fine precision machining to heavy-duty cutting. 7. Model: 250 - 101 8. Maximum lathe swing diameter: 12 inches 9. Tool capacity: 3/16 - 1/2 inches 10. Color: Black 11. Material: Metal 12. Dimensions: 7.6 x 3.3 cm 13. Package contents: - 1 quick-change tool holder 14. Note: It is suitable only for specific types. 15. Only the above package contents are included, and other items are not. 16. Note: Lighting and different monitors may cause slight color differences between the item and the actual product. A measurement error of +/- 1 - 3 cm is allowed.