1. Multipurpose lifting, supporting and hauling goods with hand-driver.
2. Safety and reliability, Easy stop in any position with self-lock.
3. Lubrication. Factory lubrication bdfore packaging.
4. Optional drums. Three options available: Single drum, split drum or widened drum.
5. Super performance. Cast worm with heat-treated gear makes the mechanism unique reliable and durable.
6. Smooth Drive. Oil-retaining bushings or bearings for smooth drive.
7. Durable Surface Finish. Powder-coated surface plus zinc-plationg for longer corrosion resistance.