Features 1、Improve tool rigidity, extend tool life, automatically center the height more accurately. 2、Fix the center of the tool, saving the trouble of traditional gasket searching. 3、Use the tool holder to increase stability, avoid the fracture of carbide tool bar and improve tool feed speed and cutting amount. 4、It is an important part for tool placement on the CNC lathe, convenient to install, remove adjust and repair tool. 5、Can install straight shank tool, inner diameter turning tool bar, twist drill, U drill, extension rod, turning tool, boring tool, center drill, and more. Specification Item Type: Inner Diameter Auxiliary Tool Holder Inner Holder Diameter: 32mm / 1.26in Package List 1 x Tool Holder 3 x Screw (Appearance Random)