1、Strong Bearing Capacity: The spring balancer has strong bearing capacity, the tension is adjustment, small and simple, does not take up space 2、Safe and Reliable Use: The tool balancer has no electrical or pneumatic hazards, has safety device that can prevent tool damage, can immediately lock the hanging object to avoid falling 3、Applicable Tools: This retractable balancer is easy to operate pneumatic, electrical and hydraulic tools, mainly used for hanging, settling, carrying and removing tools, jigs, fixtures, rolling stock, racks, etc. 4、Work Efficiency Improvement: Using this spring balancer can reduce the fatigue of staff and increase work efficiency 5、Application: This spring balancer is used for continuous, single work, for workers who are engaged in multiple jobs on the assembly line