SAE100R9/R10/R12 Four Layers Spiral Steel Wire Reinforced,Hydrauic Hose SAE 100 R9/R10/R12 Steel Wire Spiraled Hydraulic Hose is suitable for delivering petroleum-based hydraulic oils and it is mainly used in high pressure working conditions. It is composed of three parts: tube, reinforcement and cover. The tube is made from black oil resistant synthetic rubber, making…