Revolving Handle can be used in lathes, tailstock, vise handles, radial drilling machines, drill table, crank, rotary grinding machines, cylindrical grinding machines, shaping, contour cutting, plastic automatic cutting, through the polishing and burring process to that your hand is comfortable to grip and reduce the risk of injury. The handle is designed for easy installation and removal using a wrench. It can be adjusted precisely to precise operation. Folding nylon crankhandle is made of excellent bakelite material, solid and practical, with beautiful appearance, smooth surfaceand excellent workmanship, long service life,not easy to wear, and the screw adopts galvanized process, stainless steel process, galvanized uniform and not easy to rust The conical shape design of the handwheel accessories makes it non-slip and non-scratch, making it more comfortable to use. Ergonomically designed for easy adjustment and tightening with maximum control and flexibility, without fear of loosening at work when using handles that no longer have retaining nuts. Crank handle can be used in house construction, furniture repair, lathe, fixture, fence, machinery and equipment, instrumentation, industrial equipment and other hardware industry, also suitable for printing, woodworking, machinery, food, packaging equipment, hardware tools. Product Description: Product name: Folding Handle Material: Plastic + Nylon Color: Black Size: The distance from the tool handle to the hole is 100mm/4inch Handle length: 50mm/2inch Aperture: 12mm/0.47in Revolving handle with manual crank handwheel. It is strong and rugged. Comfortable handle available. Swivel handle with screw for easy installation. Great alternative accessories for your lathe. Revolving handle is generally suitable for most types of machine tools. It can be used in milling machines, lathes, grinders, mechanical equipment, instruments and industrial equipment. Revolving handle with nut, suitable for printing, woodworking, machinery, food, packaging equipment, hardware tools Attention: Keep parts away from children. Manual measurement, please allow the item to have a small size error. The actual color may be slightly different due to the different screen display. Package Contents: 1*Plastic handle Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.