1. Cast hand wheel. Only fixed by one lock nut, so it has better appearance and better handfeel.
2. Special top hook shaft. Easy to remove top hook, so users only need to remove the top hook shaft.
3. Brake device. Adopt intergrated cast brake driver and brake disc, which can be touched with friction plate directly, so brake performance is improved. Easy to assembly.
4. Adjust brake performance. Special splined brake pad, keep permanent 20 degree gap. Ensure stable braking.
5. Driving shaft. Adopt "T" thread, brake seat can be pressed directly. Easy to assemble & disassemble.
6. New pawl. The angle of pawl and ratchet disc is close-knit. Ensure braking system.