This 158-piece assortment kit includes a wide range of brake line union fittings, tube nuts, and fuel line adapters for both SAE and metric applications. It is ideal for professional mechanics and fleet service technicians handling inverted flare, bubble flare, and Japanese-style brake systems. Compatible with 3/16", 1/4", 5/16", and 3/8" tubing, the kit features durable brass and zinc-plated steel components for lasting performance. Specifications & Features 158 total pieces for brake and fuel line repairs Includes standard, long, and color-coded tube nuts Brass unions and transition adapters support SAE and metric lines Compatible with inverted flare, bubble flare, and Japanese brake systems Supports 3/16", 1/4", 5/16", and 3/8" brake lines Includes GM fuel line nuts and multiple color-coded transition fittings Brass and zinc-plated steel construction resists corrosion Kit Contents 10 x F3000 – 3/16" tube nut 10 x F3001 – 3/16" long tube nut 10 x F3002 – 3/16" brass union 10 x F3003 – 1/4" tube nut 10 x F3004 – 1/4" long tube nut 10 x F3005 – 1/4" brass union 6 x F3006 – 5/16" tube nut 4 x F3007 – 5/16" brass union 4 x F3008 – 16 mm GM fuel line nut 4 x F3009 – 14 mm GM fuel line nut 10 x F3022 – Red tube nut, 3/16" to 1/4" 10 x F3023 – Black/Green tube nut, 3/16" to 5/16" 6 x F3024 – Olive tube nut, 3/16" to 3/8" 6 x F3025 – Blue tube nut, 1/4" to 3/8" 6 x F3026 – Gold tube nut, 1/4" to 3/8" 10 x F3028 – 10 mm bubble flare tube nut 1 x F3039 – Adapter, 3/16" to 10 mm bubble 6 x F3040 – 11 mm Orange bubble flare tube nut 6 x F3041 – 12 mm Blue bubble flare tube nut 6 x F3042 – 13 mm Green bubble flare tube nut 5 x F3043 – 10 mm Japanese tube nut 1 x F3044 – 10 mm bubble flare union 1 x F3045 – Adapter, 3/16" to 10 mm Japanese 1 x F3059 – 10 mm Japanese brake line union 5 x F3417 – 10 mm x 11 mm hex blue tube nut