Alaskan Stallion Combo Blue & Red Power Air Lines - Coiled Air Brake Component - 40" Lead - 1/2" Fittings - 15 ft. Safer Anti-kinking Design  Double the Wall Thickness of Nylon Brands Corrosion Proof Armor GuardTM Superior, Long Term Coil Memory  Anti-Sagging Engineering & Construction Durability and Reliable  Always Tight Fitting  No Air Leaks!  Long Term Performance, Infrequent Replacement Minimum down Time, Maximum Road Time  Performance in Virtually all Conditions: From -100Fo to +260oF