Description: Made of premium steel material, the live center is of strong hardness, high precision and long durability. An necessary accessory for lathe, suitable for metal turning, grinding, and machining. Features: The main body is made from 40CR steel, its quenching hardness is 45 to 50 HRC; the pointed part is made form high speed steel, quenching hardness is 55 to 60HRC. High quality bearing design, using high speed bearing for high accuracy. Dust proof seal preventing cutting dust enter into bearing thus prolong service time. Great for metal turning, grinding, and machining. Work well with lathe to achieve high precision. Specifications: Condition: 100% Brand New Material: Bearing Steel Type: MT0 Accuracy: 0.01mm Quenching Hardness: 55-60HRC (Pointed part), 45-50HRC (Main part) Length: approx. 131mm / 5.2inch Largest Diam.: approx. 39mm / 1.5inch Shank Diam.: approx. 6.7mm / 0.3inch Weight: approx. 460g Package Included: 1 x MT0 Live Center Note: 1. Please allow slight error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.