25 Ft. of 3/16 in Brake Line Tubing Kit, Copper-Coated Iron Break Line, Flexible Brake Coil Roll with 16 Fittings Product Description: Brake Line Material:Copper-Coated Iron Length:25 FT roll Outer Diameter:3/16 Inch Color:Gold Product Specifications: Copper plating material can ensure no air holes when soldering. While it cannot be used directly or will rust. To avoid rusting, you can choose galvanized or painted after the welding. Product Applications: This brake line kit generally fits for hydraulic braking systems, fuel systems, and transmission systems,etc. Normally for household, industrial and commercial uses. Product Installation: Flexible.Easy to bend and flare which could meet your different needs.Correct installation is highly recommended! Products Include: 3/16 inch diameter 25 ft brake line tubing kit with 16 fittings. 2 x 3/16”(7/16-24) Inverted Tube Nut 10 x 3/16”(3/8-24) Inverted Tube Nut 2 x 3/16”(1/2-20) Inverted Tube Nut 2 x 3/16”(9/16-18) Inverted Tube Nut