Item Type: Spring Balancer_x000D_Material: Iron and stainless steel_x000D_Specifications: Approx. 1.5-3kg / 3.3-6.6lb_x000D_Scope of Application: It is 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. 1Improve Work Efficiency: The balancer reduces the fatigue of the staff, and the balancer can save factory space and reduce production costs. 2Safe and Reliable: The spring balancer prevents tool damage, has a strong bearing capacity, and has no electrical or pneumatic hazards. 3Fall Prevention: The user can use this product to manually lock the suspended object; with a safety device, if the hanging object is overweight and the coil spring is broken, it can be locked immediately to prevent the hanging object from falling. 4Easy to Use: Our spring balancers are small and simple, take up no space, and are adjustable for tension. 5Wide Application: Our spring tensioners are easy to operate with pneumatic, electrical and hydraulic tools and can be used to suspend, collect, carry and remove tools, jigs, fixtures, rolling stock, racks and more.1 x Balancer 2 xLocator Component 2 x Nut 2 x Screw