Precision Self-Centering Design - Features a 3-jaw chuck that automatically centers workpieces, perfect for wood lathes, mini CNC machines, drill presses, and milling applications. Ensures accurate and balanced gripping. High Carbon Steel Construction - Made from hardened high carbon steel with anti-rus-t treatment, providing exceptional durability for woodworking, stone carving, jade engraving, and metalworking projects. Compact & Versatile - With a compact 50mm diameter (35mm height) and 6mm connecting rods, this chuck set is ideal for small workshops and portable use while delivering strong clamping force. Wide Compatibility - Works with most mini lathes, bench grinders, and can be adapted to electric drills. Perfect for hobbyists and professional craftsmen alike. Product Specifications: Chuck Diameter: 50mm Chuck Height: 35mm (22mm body height) Connecting Rods: 6mm diameter x 52mm length (2 pieces)Grip Range: 1-20mm (self-centering) This professional-grade mini chuck set offers precision machining quality in a compact package, making it an essential addition to any workshop. The hardened high carbon steel construction ensures long-lasting performance for all your turning and drilling needs. Color: Black Material: Metal Package Contents: 1 x 3-Jaw Self-Centering Chuck (50mm) 2 x Connecting Rods 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.