Material:It is made of 40CR steel and quenching hardness from 45 to 50HRC.The part of pointed shaft is made of high-speed steel ,high-quality,speed bearing Size:It is 5x2x2 inch(13×5×5cm)and weight 447.9g including two parts,live center and MT2 Arbor. Technical Details:Heavy duty MT2 live tailstock center with a 60 degree point and 0.01 precision to ensure turn smoothly and work for heavy duty workpieces. Type:Lath center form is fixed center and large load type,so it’s suitable for most lathes to use. Tips: We can mosic the carbide tipped in the center that you need and it can use last 2 years under normal use.