ERP series Spring Balancer ERP series Spring Balancer (capacity: 0.5kg to 2kg)This compact balancer is ideal for suspending lightweight objects. This type is equipped with a nylon rope. ModelCapacity (kg)Stroke (m)Wire Rope Dia. (Φmm)Mass (kg)How to adjustspring tensionFall-arrestdeviceDrum lockdeviceERP-6E0.3~0.61.52.00.4Handle––ERP-1E0.5~1.01.52.00.4––ERP-2E1.0~2.01.52.00.4––