Super High Precision Morse Taper MT2 Shank Revolving Live Centre with M12 x 1 thread- Runout within 0.01 mm. Includes a 50 mm 3 Jaws Self Centering Chuck. Body of the Chuck is Caste Iron & Jaws are made of Hard Tool Steel. Revolving Center's Mounted Threaded Portion Hardened for a long thread life- Hardness 40-42 HRC. Body of the Revolving Live center is made of EN8D grade of Tool Steel. Has 2 Ball & 1 Taper Bearing Inside for Radial Thrust. Body Diameter 50 mm .Rest please see all pictures to know more details about body length & OAL. Super High Precision Morse Taper MT2 Shank Revolving Live Centre with M12 x 1 thread- Runout within 0.01 mm. Includes a 50 mm 3 Jaws Self Centering Chuck. Body of the Chuck is Caste Iron & Jaws are made of Hard Tool Steel. Revolving Center's Mounted Threaded Portion Hardened for a long thread life- Hardness 40-42 HRC. Body of the Revolving Live center is made of EN8D grade of Tool Steel. Has 2 Ball & 1 Taper Bearing Inside for Radial Thrust. ASIN B07BGHLSXM Size 2MT Shank & 50 mm Chuck 3 jaws self centering Color Ground Material Caste Iron, & Steel Item Weight 2.79 pounds Part Number AMMLSL 2MT Manufacturer ASSORTSMACHINETOOLS Batteries Included No Batteries Required No Package Dimensions 8.8 x 3.4 x 3.1 inches Is Discontinued By Manufacturer No