Recommended for high-pressure hydraulic oil line applications. Easy to route and to install in extremely tight areas. Meets or exceeds requirements of ISO 18752 Grade B, SAE 100R19, EN 857 2SC and ISO11237 R19. Recommended Couplings: GlobalSpiral Couplings, MegaCrimp Couplings (-4 to -12), Stainless Steel B Couplings (-4 through -8), Stainless Steel S Couplings (-12 and -16).