I. Performance and Characteristics

1. The main parts adopt low alloy steel plate, which is safe, reliable and durable. 2. The guide plate and the guard chain cover of stamping parts ensure the smooth operation of the chain and effectively prevent foreign bodies from entering. 3. The forging hook of heat treatment has high strength and is safe and durable. 4. The brake adopts double pawls, which improves the safety and reliability of use. 5. With the brake clutch, the position of the lower hook can be adjusted freely when no load is needed, the pulling block is placed in the "N" position, the hand wheel is rotated counter-clockwise, and the chain is pulled gently by hand, so that the required position of the lower hook can be adjusted quickly. 6. The handle design is more reasonable, which makes the operation more convenient and comfortable.

2. technical parameters