Gates® PRO™ Series CR1 variable pressure hydraulic hoses deliver performance and reliability in a one-wire construction. Engineered for less demanding hydraulic applications, our line of professional-grade hoses are designed to balance product performance and investment for everyday uses. All sizes deliver consistent performance to SAE and EN industry specifications. Qualified with Gates® PRO™ Series and MegaCrimp® Couplings. Recommended Couplings: PCK Couplings (-4 to -16), MegaCrimp® Couplings (-4 to -16), GB Couplings (-6 and -8).