Tools holder balancer are designed to free the operator from weight of the hand toos, so the workers can enjoy comfortable operation with less fatigue. Retractor also called spring tools balancer by adjusting spring tension, the load balancing tools become almost weightless in the hands of the operator, and can be moved up and down with very little effort. Load balancer applied with portable hand tools, welder guns, spray guns, drifting attachments in mines and quaries, jigs and fixtures, water washing of plating work with raising and lowering of work and so on areas. Regarding spring balancer applications, tools balancer price list, tools holder details, load balancers manual instruction. please kindly feel free contact with us. Professionally service hope will get your satisfaction. Shan Dong Finer Lifting Tools co.,LTD Skype: faithjiang888 Email: [email protected] Website: http://www.cargotrolley.com/