Chicago Pneumatic CP9913 Light Duty Balancer Load Range: 4.4 to 6.6-Pound
From the Manufacturer Chicago Pneumatic balancers are premium quality developed to shift the weight of the tool away from the operators arm. They eliminate stress and fatigue and help improve productivity. Ideally suited for heavy tools and/or repetitive tasks. Cylindrical shape, automatic load retraction, working area remains free.