Features Triple Ball Bearing Design: The live center adopts a combination of precise deep slot ball bearing, thrust ball bearing and needle roller bearing, the rotation is smoothly Easy to Operate: This center adopts an extended spindle with CNC tool tip, improves the grinding wheel clearance, which is easy to operate, has good balance and stable effective turns Good Sealing Performance: The lathe center is dust proof and waterproof, equipped with sealing device that can prevent the entry of cutting fluid and dust, prolong the service life Wear Resistant and Durable: The live center is made of high quality high carbon steel, integrally formed without burrs, which is wear resistant, strong and durable Application: Ideal for use on the tailstock end of lathes, this rolling center is designed for high speed lathes and CNC lathes for high speed precise machining Specification: Item Type: Live Center Material: High carbon steel Model: MT4 Overall Length: Approx. 200mm/7.9in Taper: 60° Accuracy: 0.005 Applicable for: CNC lathe high speed precise machining Package List: 1 x Live Center Package List 1 x Live Center