Spring balancer helps reduce worker fatigue and workload while improving work efficiency. Safe and reliable to use with no electrical or pneumatic hazards. Maintains tools in a stable working position for consistent performance. Ideal for use in assembly lines, for handling tools, fixtures, parts, raw materials, suspension, alignment, and operation of electric, pneumatic, and hydraulic equipment. Product Name: Spring Balancer Model: ES620 Capacity: 0.6-2.0kg Product Size: 18 x 10.3cm (7.1 x 4.1in) Instructions: When installing the balancer, connect the safety chain first. Rotate the worm gear to adjust the balance—reduce balance force by turning in reverse, increase balance force by turning forward. Note: Do not manually stretch the spring when no load is attached to avoid injury. Color: Black Material: Metal + Rubber Package Contents: 1 x Spring Balancer 1 x Set of Positioning Clip Accessories Note: Lighting and monitor differences may cause slight color variations between the image and actual product. Measurement allows an error of +/- 1-3cm.