It is simple to double-flare and shape along its length. Copper-nickel brake lines are the most enduring option, significantly outperforming standard steel tubing. This complete brake line kit contains 16 fittings: 2 x 1/4” (7/16-24) Inverted Tube Nuts, 10 x 1/4” (7/16-24) Inverted Tube Nuts (Long), 2 x 1/4” (1/2-20) Inverted Tube Nuts, and 2 x 1/4” (9/16-18) Inverted Tube Nuts.
