Check the listing for details. Retractable Spring Balancer 6.6-11lbs Holder Hanging Equipment 1.4Meter. Condition: New. Listed at 24.38 USD. What is this?Spring balancer is an auxiliary tool for hanging production operation equipment.What will I get?Retractable spring balancer is in specification of Capacity: 6.6-11lbs (3-5kg); Effective Tensile Length: Approx. 70-80cm/ 2.3-2.6ft; Ultimate Tensile Length: Approx. 1.4M/ 4.6ft; Size: 145mm x 100mm x 38mm / 5.71 x 3.94 x 1.5 inchIn the package of 1 x Spring Balancer; 1 x Set of Fitting Accessory.Are there any advantages of the product?Solid metal construction provides continuous and repetitive work on your assembly line for hanging, carrying, and removing tools.How to use it?It can manually lock the position of suspended objects to avoid falling of suspended objects, easy to operate pneumatic, electric and hydraulic tools.What should I notice?Please confirm the weight of your suspended items and choose the right load.