Part number:SH-US-JY01728-1592-1353143482 Item Weight:469 g Product Dimensions:14 x 5 x 5 cm; 469 Grams Colour:Silver Style:Fashion Finish:Chrome Material:Bearing Steel Item Package Quantity:1 Special Features:150 Batteries included?:No Batteries Required?:No 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 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: 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 Note: 1. Please allow slight error due to manual measurement. 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. Package Including Package Included: 1 x MT0 Live Center Dust proof preventing cutting dust enter into bearing thus prolong service time. Work well with lathe to achieve high precision. Great for metal turning, grinding, and machining. High quality bearing design, using high speed bearing for high accuracy. 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. Dust proof preventing cutting dust enter into bearing thus prolong service time. Work well with lathe to achieve high precision. Great for metal turning, grinding, and machining. High quality bearing design, using high speed bearing for high accuracy. 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.