Spring balancer instruction and price Zero gravity tools balancer Retractor pictures and details Spring balancer capacity is from 1 kg to 400 kg, the travel meters is from 1.5 meters to 3.0 meters. Spring balancer also named tools balancer, load balancer, zero gravity tools balancer, retractor, spring tools balancer and so one names. Zero gravity tools balancer widely used on production assembly lines, like package plant, auto assembling lines, slaughter house and so one areas . If you have more questions regarding spring balancer price, zero gravity tools balancer operation instruction, please feel free contact with us. Our email is : sales(at)cargotrolley(dot)com. Professional service will be sent to you and hope will get your satisfaction someday. Shan dong finer lifting tools co., ltd