... .3 3.G.W./ Ctn (kg):3.6 Spring Balancer HW-9,spring weight balancer in manufacturer,digital spring balance1,By ... Specifications Model Capacity(kg)Travel(M)G.W./ Ctn (kg)HW-53-51.31.4HW -95-91.33.6HW -159-151 ... -9080-901.513.0HW -10090-1001.514.0 Spring Balancer HW-9,spring weight balancer in manufacturer,spring balance function