1、MAIN PURPOSE: The handwheel with handle is very suitable for any application that requires general or precise adjustment through a rotating mechanism, convenient and practical. 2、DURABLE MATERIAL: The machine tool handwheel is made of engineering plastic material, which has good toughness, strong insulation, wear resistance, and long service life. 3、STANDARD SIZE: The outer diameter is 125mm, the mounting hole inner diameter is 12mm. Drill the hole to the standard shaft diameter according to its size, accurate and reliable. 4、DETACHABLE HANDLE: The machine tool handwheel has a detachable handle, convenient assembly and disassembly, equipped with screw hole for installing the handle. 5、WIDE APPLICATIONS: This 12x125mm handwheel is widely used in industrial machine tools, such as milling machines, lathes, grinders, etc., to meet various adjustment needs. Item Type: Machine Tool Handwheel Material: Engineering Plastic Product Outer Diameter: Approx. 125mm / 4.9in Installation Hole Inner Diameter: Approx. 12mm / 0.5in 1 x Handwheel 1 x Handle