Features: brand new high quality Made of high-quality materials for durability Designed for high-speed lathes and CNC lathes with high precision. Triple ball bearing design, lengthened spindle plus CNC tool tip, increased grinding wheel clearance. The shaft is made of alloy steel by heat treatment. High rigidity and high wear resistance. High strength and hardness. Easy to use. Product parameters: Model: MT2 Color: silver Size: Approx. 138*39mm/5.43*1.54" Shank Diameter: Approx. 13.7mm/0.54in Top shaft: T10 steel, quenching hardness: 55-60HRC Main parts: 40CR steel, quenching hardness: 45-50HRC Accuracy: 0.001 Top speed: 5000 Hardness after treatment: HRc60o2o Model: MT3 Top shaft: T10 steel, hardened: 55-60HRC Main parts: 40CR steel, cooling hardness: 45-50HRC Shank Diameter: 18mm/0.71" (approx.) Dimensions: 170x56mm / 6.69x2.20 inches (approx.) Accuracy: 0.001 Maximum speed: 5000 Hardness after treatment: HRc60o2o Color: Silver (as pictured) Model: MT4 Color: Silver (as pictured) Dimensions: 220x58mm / 8.66"x2.28" (approx.) Material: Steel Tool holder size: Morse taper 4. Top speed: 2,500. Accuracy: 0.000197" Load Capacity: 700 lbs Center point: 60 degrees. Dot Diameter: 1.10 inches (approx.) Dot Length: 1.91 inches (approx.) Package Included: 1 * Lathe Live Center Taper Note: 1.The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2.Please allow slight manual measurement deviation for the data. _x000D_