Features:1. Reduce the staff's fatigue and increase work efficiency.2. Balancer saves space and reduces production costs.3. Spring balancer can prevent damage to the tool.4. Safe and reliable to use without electrical or pneumatic danger.5. Keeping the tool working properly in the stable position.Specifications:Product Name: Spring BalancerModel: ES620Material: Metal and RubberCapacity: 0.6-2.0kgProduct Size:18 x 10.3 x 4.0cm/7.1 x 4.1 x 1.6inWeight: Approx. 408gPackage includes:1 x Spring BalancerInstructions:1. When hanging the balancer, first connect the safety chain.2. Rotate the worm to balance the suspension, reducing the balance force in reverse, increasing the balance force in the forward direction Note:When the balancer does not the object, do not drag the spring in case of hurting the people.