Features Specification: 3 spoke machine tool handwheel with revolving handle, with an outer diameter of 100mm and an installation hole inner diameter of 12MM, which is convenient and practical. Revolving Handle: This handwheel has a detachable handle that is easy to install and disassemble, equipped with standard screw hole for easy assembly and operation of the handle. Applicable Range: This handwheel is suitable for various machine tools that rely on rotation for precise adjustment, such as milling machines, lathes, and grinding machines, etc. Chrome Plated Cast Iron: The lathe handwheel is made of excellent cast iron material, with a chrome plated finish, has good corrosion and oxidation resistance, and a long service life. Stable Operation: With exquisite workmanship, the machine tool handwheel has a reasonable design, ensuring stable and reliable installation, and improving processing efficiency. Spec: Item Type: Lathe Hand Wheel Material: Cast Iron Specification: 12x100mm Hand Wheel Outer Diameter: Approx. 100mm / 3.9in Mounting Hole Inner Diameter: Approx. 12mm / 0.5in Package List: 1 x Hand Wheel 1 x Handle Notice: Please choose the appropriate size according to your needs. There may be some variations in size. Package List 1 x Hand Wheel 1 x Handle