1、ENGINEERING PLASTICS MATERIAL: The lathe milling handwheel is made from premium engineering plastics, featuring a modern design, strong insulation, and durability. 2、STANDARD SIZES: These handwheels are drilled to standard shaft diameters according to their size, and are also threaded to accommodate detachable handles. 3、VERSATILE APPLICATIONS: These handwheel is ideal for any application that requires general or accurate adjustments through a rotating mechanism. 4、WIDE RANGE OF USES: Control handwhee is widely used in industrial machine tools such as milling machines, lathes, and grinders. 5、IDEAL REPLACEMENT: Wonderful replacement for the old and damaged parts, fine workmanship, attention to details, helps you improve the working efficiency!