6403-12-08 Hydraulic Fitting 3/4" Male O-Ring Boss X 1/2" Male O-Ring Boss

Brand New Carbon Steel 6403-12-08 HYDRAULIC ADAPTER 3/4" MALE BOSS X 1/2" MALE BOSS (Tube O.D. / Hose I.D. Size) THREAD SIZES FOR 6403-12-08 HYDRAULIC ADAPTER 1 1/16"-12 MALE BOSS-3/4"-16 MALE BOSS To measure threads, Calipers work very well.