light spring balancers

spring balancers instruction and featuresself-locking spring balancerslight spring balancersSelf-locking Spring balancer:Spring balancermainly used on auto mould production,accessories welding,assembly line and so on industry areas. Spring balancer via the energy of the spring let the tools which hanging on it free weight. To reduce the intensity of labour.improve the production efficiency.Spring balancerswith the capacity of 1-3KG and 3-5KG have the self-locking function. It