Crafted through a special process, this lightweight, small-sized hand crank ensures easy storage and performance. It is very practical The smart design of this Round Hole Hand Crank ensures improved machine tool work efficiency, ensuring long service life and enhancing ease of operations, for maximum productivity and endurable performance Simple and quick installation, wonderfully saving time and cost, this round hole hand crank is easily fixed on machine tools through bolts without complicated steps Made from plastic material, this round hole hand crank boasts is incredibly sturdy, ensuring longevity in use. Its impacts-resistant design and safe operations ensure peace of mind Specifically designed for 14mm apertures, this hand crank provides great convenience and flexibility, meeting the diverse needs of various machine tools and is practical and widely used