1. Quick and easy to install. 2. Securely holds square cutting tools with a diameter ranging from 3/16 to 1/2 inches. 3. Precision ground and hardened. Completely sealed and maintenance-free. 4. Offers maximum rigidity for chatter-free performance. Turning and facing tools can be locked. 5. Compatible with 250 - 100 or 250 - type tool holders. 6. 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: Only suitable 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.