Description: Made of superior steel material, the live center has strong hardness, high precision and long durability. An indispensable lathe accessory, suitable for metal turning, grinding and machining. Features: The main body is made of 40CR steel, its quenching hardness is 45 to 50 HRC; The pointed part is made of high-speed steel, the quenching hardness is from 55 to 60HRC. bearing, using high speed bearing for high accuracy. Dust-proof seal to prevent cutting dust from entering the bearing, extending service time. Excellent for metal turning, grinding and machining. It works well with lathe to achieve high precision. Specifications:Condition: Material: Bearing SteelType: MT0, You can mention them: 0.01mmQuenching Hardness: 55-60HRC (pointed part), 45-50HRC (main part)Length: Approx. 131mm/5.2inchLargest Diameter: Approx. 39mm/1.5inchShank Diameter: Approx. 6.7mm/0.3inchWeight: Approx. 460gPackage Included:1 x MT0 Live CenterNote:1. Please allow slight error due to manual measurement. Thank you 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.