Fixed & Hovering: The spring balancer has a selflocking function, which can keep the tool hovering anywhere, put the tool in a position where it can be used immediately, and reduce operator movement. Selflocking design: Our spring balancer is specially designed for lifting, with builtin selflocking control system, precise control, high safety factor, special aviationgrade steel inside, precision manufacturing, flexible operation, can help you lift things easily, Save you more effort. Steel wire rope: Hotdip galvanized steel wire rope has good toughness and fatigue resistance, very strong and durable. And the tool compensator uses a rubber sleeve to safely protect the wire rope. It can reduce the buffer force and prolong the service life. Adjustment function: Clockwise adjustment force is large, counterclockwise adjustment force is small, easy to operate, improve work efficiency, and reduce employee fatigue. WITH SAFETY DEVICE: This product can be used to manually lock the suspended object with a safety device. If the suspended object is overweight and the spiral spring is broken, can be locked immediately to prevent the suspended object from falling