Taytools live center head and body are made from hardened alloy steel and then precision ground to concentricity of +/- .00078 inches. Triple sealed bearings provide smooth movement and absorb both radial and thrust loads. This center is perfect for both for both metal and wood working applications. Maximum recommended RPM 2000. Overall length 5 inches, body diameter 1-7/8 inches, 60 degree cone diameter 13/16 inches. MT2 taper.