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., Weight: 0.45966381627 Pounds, Manufacturer: Gishbjka