Usage Tips:Sturdy Material: The wedge type tool post set is constructed from high-quality steel, ensuring it is resistant to wear and rust, offering long-lasting durability. High Hardness and Minimal Vibration: The quenching processing of the quick change tool holder gives it a high level of hardness, resulting in minimal vibration during operation. Smooth and Precise Surface: The surface of the quick change turning and facing tool holder is finely ground, providing a smooth and flat surface with exceptional accuracy. Effortless Quick Replacement: The wedge type tool post and quick change turning and facing tool holder can be easily locked together for quick replacement, significantly saving time. Versatile Tool Holder: The quick change turning and facing tool holder is installed on the wedge type tool post through a dovetail groove, enabling it to be used for machining external circles, cutting grooves, boring, drilling, and reaming. Part Name:Wedge Type Tool Post Set Type:A:for Lathe 250-001 Tool Holder/B:for Lathe 250-002 Tool Holder Colour:Black Material:45 steel Package Contents: 1 * Tool Holder Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.