Feature: 1. IMPROVE EFFICIENCY: The product reduces the fatigue of staff and increases work efficiency. At the same time, the balancer can save factory space and reduce production costs 2. STRONG BEARING AND SAFE: Spring balancer prevents tool damage, possess strong bearing capacity, the spring balancer has no electrical or pneumatic hazards, and is safe and reliable to use 3. FOR ASSEMBLY LINE: Used for continuous, single jobs. Used by the staff who are engaged in various jobs on the assembly line. Small and simple, does not take up space, can adjust the tension 4. MULTI FUNCTION: Easy to operate pneumatic, electrical and hydraulic tools. Used for hanging, gathering, carrying and removing tools, jigs, fixtures, rolling stock, racks, etc. 5. WITH SAFETY DEVICE: This product can be used to manually lock the suspended object with a safety device. If the suspended object is overweight and the spiral spring is broken, can be locked immediately to prevent the suspended object from falling Specification: Item Type: Spring Balancer Material: Iron, stainless steel Specifications: 3-5KG Scope of Application: Used for automobile molds, parts welding, assembly lines and various fixed positions where the workload is relatively concentrated, the operating tools are relatively heavy, the use of single tools and the duration of time are long. Package List: 1 x Balancer2 x Positioner Assembly2 x Nut2 x Screw