Quick and easy to install.Securely holds 3/16 - 1/2inch square diameter tool .Precision ground and hardened. Completely sealed for maintenance free operation.Maximum rigidity for chatter free performance.Turning and facing tools can be locked .For use with tool post 250-100 or 250-.Suitable for a wide range of operations, from fine precise work to heavy duty cutting.Model: 250-101Lathe swing: Up to 12inchTool bit capacity: 3/16 - 1/2inchcolour: blackMaterial: metalsize: 7.6x3.3cmPackage Contents: 1 * Holder Quick Change ToolNote: Only suitable for typeOnly the above package content, other are not included.Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.