This 64-piece kit includes brake line nuts and brake line unions in standard and metric sizes: Brake Line Nut 3/16”, Brake Line Nut 1/4”, Brake Line Nut (Long) 3/16”, Brake Line Nut (Long) 1/4”, Brake Line Nut 5/16”, Brake Line Union 3/16”, Brake Line Union 1/4”, Brake Line Union 5/16”, Metric Brake Line Nut 10mm x 1.0 Standard Flare, Metric Brake Line Nut 10mm x 1.0 Bubble Flare, Metric Brake Line Nut 3/8”-24 Bubble Flare, Metric Brake Union Nut 3/8”-24 for 7802 Nut, Metric Brake Union Nut 3/8”-24 for 7801 Nut, Metric Brake Union Nut 10mm x 1.0 for 7800 Nut.Features:Multi-compartment plastic storage case Includes wide range of product Contains product assortment map Includes most popular sizes Easily goes from job to jobK Tool 00005 64 Piece Brake Line Fitting Kit