Rear Brake Line Fitting Problems (tube Nut, Flare Nut) | Toyota Nation Forum

Size and material: both the unions and nuts are metric 3/8-24 threads (regular 3/16 inch tube fitting size), all brake line fittings are made of quality brass to prevent rust and plated for corrosion resistance You will get: 12 pieces brake line fittings in the package, include 4 pieces unions and 8 pieces nuts, you can share them with your family and friends, these tubes unions are good fittings Inverted flare union: these unions are a nice option to join 2 (3/16 inch) brake lines together Brake line fitting connect: the nut is called the fitting for 3/16 inch tube, these unions fittings have a hex size of 3/8 inch and the threads are 3/8 inch with a thread pitch of 24