Introducing Tectran's Air Line Hose Assemblies with FLEXGrip-HDTM Hose -Dual-braided design for flexibility -3/8\" hose I.D, 1/2\" end fittings -Enhanced kink resistance for tight bends -Flexible air connection from frame to axle or between tractor and trailer -Resistant to gasoline, diesel fuel, oil, and road chemicals -UV and ozone resistant -Operating pressures up to 225 psi -Operating temperature of -40degF to +200degF -Meets or exceeds SAE J1402, DOT FMVSS No. 106 regulations FLEXGrip-HDTM - Thermo-elastomeric gladhand grip located on the trailer leads (Patent Pending): -Robust grip for ultimate kink protection -Corrosion-resistant brass fittings -Tapered grip flexes with airline during tight turns -Reinforced, thicker rail at hose end for kink resistance -Color-coded grip minimizes incorrect tractor/trailer connections -FLEXGrip-HDTM Thread - 1/2\" Bend Restrictors - Thermo-elastomeric reinforcement guard located on the tractor leads (Patent Pending): -Non-corrosive, unlike typical spring guards -Color-coded to minimize incorrect tractor/trailer connections -Prevents kinking during tight turns LIFESwivel(R) - Live swivel design featuring all brass construction to eliminate corrosion (Patent Pending): -Fitting located on the tractor side of the assembly -Double O-ring leak-free \"Life\" design -Quick & easy single wrench installations -1/2\" Tractor Fitting Threads\" Upgrade your air line hose assemblies with Tectran's FLEXGrip-HDTM Hose for unbeatable durability, kink protection, and reliable performance.