Features: The adapter shank is made of manganese steel,durable and has long service life. Good metal texture, comfortable surface, easy to clamp, so that the output torsion becomes larger. Widely used with various drill machines, milling machines, lathes, boring lathes and electric hand tools. The shank is stable and has great performance while using. Professional and practical design with beautiful appearance, easy to use. Specification: Material:Manganese Steel Connection Pattern:Screw Thread Size:1/2'' Length: 20mm Connection Rod:Morse MT2 Type:UK Package List: 1*Connection Shank Package List 1*Connection Shank 1The adapter shank is made of manganese steel,durable and has long service life. 2Good metal texture, comfortable surface, easy to clamp, so that the output torsion becomes larger. 3Widely used with various drill machines, milling machines, lathes, boring lathes and electric hand tools. 4The shank is stable and has great performance while using. 5Professional and practical design with beautiful appearance, easy to use.