Usage Tips:Retractable Spring Balancer Screwdriver Hanging Torque Wrench Hanger Steel Wire Rope Measuring Tool Holder Ergonomic Balance Box Features:- Application: Used for hanging a variety of tools- Use durable nylon steel wire rope and convenient -style type hook- By reducing worker fatigue, it enhances working efficiency- Saves Factory Space and prevents tools be damaged- The closed case and the guide rail prevent pinch your fingers and other abrasions Specification:Product Name: Spring BalancerMaterial: MetalColor: Yellow, GreenWeight: 376 gSize: 14.5 x 10 cm Package includes:1 x Spring Balancer2 x ScrewNote: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.