The 4Lifetime Brake Line Kit Replacement comes complete with 16 fittings, including 2 x 1/4”(7/16-24) Inverted Tube Nut, 10 x 1/4” (7/16-24) Inverted Tube Nut (Long), 2 x 1/4”(9/16-18) Inverted Tube Nut, and 2 x 1/4”(1/2-20) Inverted Tube Nut. These brake lines are incredibly versatile, easily bendable, straightenable, and simple to flare with basic tools. What sets them apart is their superior quality, thanks to a unique surface treatment featuring the latest copper-coated technology, providing exceptional corrosion resistance compared to standard steel tubing. Suitable for a wide range of applications, including Hydraulic Braking Systems, Fuel Systems, and Transmission Systems, these lines are not only professional-grade but also extend the lifespan of your vehicle when installed correctly.