Multiple Size Options: Available in 4inch 5inch and 6inch three common specifications to match different workpiece sizes and various milling machine installation requirements 1:40 Indexing Ratio & High Accuracy: Adopts 1:40 reduction structure with clear indexing scale, ensuring stable and precise angle control for professional machining operations Complete Standard Accessories: Equipped with MT2 tailstock multiple dividing plates chuck wrench and connecting accessories, supporting direct 24 indexing combinations Strong 3-Jaw Self-Centering Chuck: Features self-centering 3-jaw design with wide clamping range, providing firm and stable holding to avoid workpiece slipping during processing Service:We attach great importance to our customers' shopping experience. If you have any questions, please feel free to contact us, we will reply you as soon as possible within 24 hours