Interior Diameter: 3/8 in. Hose Length: 18 in. Maximum PSI Rating: 4000 psi. Color: Black. Material: Rubber. Maximum Operating Temperature: 212 deg. F. 5.12" minimum bend radius. High pressure hydraulic oil line that meets/exceeds SAE 100R2AT requirements. Black, oil-resistant synthetic rubber (nitrile) tube reinforced with two braids of high-tensile steel wire. Covered with black, thin synthetic rubber that is oil-and abrasion-resistant. Recommended couplings are MegaCrimp, Type T and permanent PC stems/ferrules. No skiving required with MegaCrimp, Type T or Power Crimp couplings. Hose and couplings meet SAE100R2AT specifications. Coupled 3/8" solid male pipe thread on each end.