One pair of 1/2” hose end repair fittings. For repair of 3/8” I.D. air brake hose type A, A I, and A II with minimum 3/4” O.D. Repair pack contains two end fittings with 1/2” NPTF threads, two assembly rings, & hex wrench for installation. Quick, convenient, easy to install, reduces down time and costly hose replacements. 1/2” NPTF male end fittings come with pre-applied thread sealant. Approximate dimensions = 2 1/4” x 1” Approximate net weight of kit = 7 oz