Good workmanship, uniform threads, not easy to leak, you can buy and use it with confidence. It is recommended that you carefully compare the picture specifications before ordering to ensure the right fit. It has good weather resistance, can maintain good stability in various environments, and is not easy to rust. 10-1367 - Evaporator Core | 1967-1968 Ford Mustang Brake line fittings set, includes 4 pcs tube sleeve unions and 8 pcs nuts. · Inverted flare fittings, handy to assemble and disassemble. 4 X Unions... Oil pipe fitting hi-res stock photography and images - Alamy Product Parameters: The size of the inverted flare joint is 0.6 x 0.9 , the large inner diameter is 3/8 , and the small inner diameter is 3/16 . Sumjig 12 PCS Car 3/16 Brake Pipe Fitting Set, 3/8 24 Threaded Brake Fitting Replacement, Brass Rust-proof and Durable Inverted Flare Brake Line Unions with Nut, Universal for Cars (Gold) Brass Material: This brake pipe joint and nut set is made of brass, which has high hardness, high strength and is not easy to break. Packing List: The package includes 4 pieces of 3/16 24 thread inverted flare joints, 8 screws, to meet your needs. 3/16 Brake Line Union 12 PCS Car 3/16" Brake Pipe Fitting Set, 3/8" 24 Threaded Brake Fitting 3/8 Brake Line