1. Material: high carbon steel body + stainless steel mandrel + brass nut
2. Usage: Used for clamping processed parts on lathe
3. Made of metal material, wear-resistant and rust-resistant, corrosion-resistant, with good mechanical properties and high strength
4. Delicate workmanship, durable, the surface is not easy to hurt hands
5. Humanized design, easy to use, taper shank / straight shank two styles, beautiful and practical
6. Weight: straight shank about 275g, taper shank about 288g