Effectively plug your vehicle's steel fluid lines and banjo lines with the OEMTOOLS 35057 2 Piece Steel Line Stopper Set. Plug disconnected automotive fluid lines with our steel brake line plugs to eliminate leaks while you make repairs. Make repairs to your vehicle's calipers without worrying about caustic brake line fluid leaking onto your vehicle's components. Great for keeping contamination and air from entering your steel brake fluid line, transmission, power steering line, and more. Our transmission line plugs are an excellent affordable solution to stopping your steel lines without damaging the line. This steel brake line kit easily fits 3/8-inch, 1/2-inch, 5/16-inch steel fluid lines and banjo lines. Install and remove the brake line plug kit with little effort. Make automotive repairs knowing that your steel lines are kept plugged and safe. Our banjo fuel line plugs will make an excellent addition to your brake line kit's hose caps and plugs. Don't rely on traditional line caps and plugs or makeshift methods of plugging your vehicle's steel fluid lines, like plastic bags and rubber bands. Rest assured that when your steel power steering, transmission cooler, and oil cooler lines need stopping, that the OEMTOOLS 35057 2 Piece Steel Line Stopper Set will get the job done.