Features Folding Handle: Machine tool handwheel with rotating handle, equipped with screw hole for easy handle installation, foldable handle 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 rotary mechanism. Plastic material: The machine tool handwheel is made of excellent plastic material, with strong insulation, good toughness, wear resistance and long service life. Standard sizes: The outer diameter of the handwheel is 100mm, the inner diameter of the mounting hole is 12mm. Drill the hole according to its size to the standard shaft diameter. Wide Application: This control handwheel is widely used in industrial machine tools such as milling machines, lathes, grinders, etc. to meet various processing needs. Specification: Item type: rotary handwheel Material: plastic Product specification: 12x100mm Product outer diameter: Approx. 100mm/3.9in Mounting hole inner diameter: approx. 12 mm/0.5 inch Package list: 1 x Rotary Handwheel Note: There is a small size error. Package List 1 x Lathe Handwheel