How to use spring balancer? Firstly estimate your tools weight, then choose suitable tools balancer, spring balancer can let your hand tools weight freely,improve your productivity and reduce fatigue. How to select tools balancer? Please ask the model of spring balancer from ShanDong Finer Lifting Tools c.,ltd sales manager,and tell us your tools weight. We will choose the best tools balancer for you. What is the model of zero gravity tools balancer? Our company the spring balancer model is from 1 kg to 400 kg, capacity is widely, if one set cant reach your needs. Two or more than two sets of balancer is possible for you, the capacity can be accumulated. What is the feature of spring balancer? Our company ShanDong Finer Lifting Tools c.,ltd produce spring balancer professionally for more than 20 years. Our spring balancer have long working life, easy to handle, durable, and have better after-sale service. Why use spring balancer? Spring balancer is a necessarily tools for lots of areas. For example ,one welding gun weight is 50-100 kg, when workers use it, it is so hard to moving and handle the tools, so, if take spring balancer to help it, is easy to handle. The spring balancer will let your welding gun zero gravitily. More informations please feel free contact with us. Export Manager:Faith Jiang ShanDong Finer Lifting Tools co.,LTD Email:sales@cargotrolley.com Tel:0086-18254509861 Fax:0086-532-82861797 Website: http://www.cargotrolley.com/