ADAPTOR JIC to METRIC CONCAVE3/8-24 JIC AdaptersHigh Performance Hardware For Use With 600-03 Brakeline Series Hose Ends and Universal AdaptersManufactured to exacting specifications to insure accurate fits, the Goodridge range of hose ends, adapters, bolts, and anciallaries cover virtually all possible applications. They are available in a wide range of materials.Part Suffix Key for Part Material & Plating, C= Stainless Steel, CH= Chrome Steel, D= Aluminum, BK= Black Steel