1.Name:Spring Balancer 2.Model:PH-9 3.Capacity:4. ... breaking and less damage to the drum.(load balancer,hardware tools) 1. Each balancer will provide one set of safe chain ... proof paint, surface is smooth.4. The balancer provided with load dial, constructed of eccentric structure, at the ... scope of working load, it can measure the value accurately.5. Balancer drum (cone pulley) has rational ...