Spring Balancer Series Hand Chain Hoist The device for preventing dropping. It prevents tools dropping for the spring break. 1. A assistant loop for preventing dropping. Each item possesses its own assistant loop. 2. Hoist instruction It helps to adjust the elastic force for the operator's reference. 3. The crowned locking system It applies to fix the instrument and change wire rope. 4. Box-packed spring It's easier and safer to change the spring.
