Prime Design ErgoRack Cylinder Hydraulic Cylinder Assembly With Hardware 17.5 In x 1.85 In x 2 In Model ACL-125Prime Design ErgoRack Cylinder Hydraulic Cylinder Assembly With Hardware 17. 5 In x 1. 85 In x 2 In Model ACL 125 The ErgoRack Hydraulic Cylinder Assembly is a critical component engineered to manage the controlled descent and effortless lifting of ladder rack systems. This assembly serves as the primary damping mechanism, ensuring that ladders are lowered at a safe, consistent speed while significantly reducing the physical effort required by the