Features Standard Sizes: The outer diameter of the handwheel is 100mm, the inner diameter of the mounting hole is 12mm. Drill hole to the standard shaft diameter according to its size. Plastic Material: The machine tool handwheel is made of excellent plastic material, with strong insulation, good toughness, wear resistance, and has a long service life. Folding Handle: Machine tool handwheel with revolving handle, equipped with screw hole for easy assembly of handle, the foldable handle design for easy use and storage. Main Purpose: This handwheel is simple and compact, making it perfect for any application that requires general or precise adjustment through a rotating mechanism. Wide Application: This control handwheel is widely used in industrial machine tools, such as milling machines, lathes, grinding machines, etc., to meet various processing needs. Specification: Item Type: Lathe Handwheel Material: Plastic Product Specification: 12x100mm Product Outer Diameter: Approx. 100mm / 3.9in Mounting Hole Inner Diameter: Approx. 12mm / 0.5in Package List: 1 x Lathe Handwheel Note: There is a slight error in size. Package List 1 x Lathe Handwheel