The ParMax 761 Series hydraulic hose is a long-lasting hose made for extremely high-pressure applications. The hose offers a constant working pressure of 8,000 psi. It features an inner tube of oil-resistant synthetic rubber, and six spiral plies of high-tensile steel-wire reinforcement. The black, synthetic rubber, MSHA-accepted cover is oil-, weather-, and abrasion-resistant. A durable color layline creates easy, long-lasting identification.