... 3-3- Safety Pin ( in case of the break of the coil spring, it prevents the sudden move ... it from breaking and less damage to the drum.(load balancer,hardware tools) 1. Each balancer will ... (lengthened) safe chain withstand 10 times of actual load. 2. The connection between steel wire rope and ... , surface is smooth.4. The balancer provided with load dial, constructed of eccentric structure, at the scope ...