Mastercool 84396 Set of Three 96" R134a Hoses w/ 1/2 ACME-F and 14mm-M Auto A/C Fittings. Mastercool uses only (GRADE 5 HOSE) with a selection of Standard and Nylon Barrier for high pressure applications. Knurled brass nuts make finger tightening easy. Crimped with 8 segment dies for secure fit and maximum durability. Hoses are available in sets and a variety of lengths to meet all EPA, SAE, and UL requirements for containment of refrigerant.