Pack of 16 sealing plugs 1/8 1/4 1/2 3/8" Internal and external threads Closure plugs for water pipes and tubing

16-Piece Pipe Plug Set: The product contains 4 x 1/8" pipe plugs, 4 x 1/4" pipe plugs, 4 x 3/8" pipe plugs, and 4 x 1/2" pipe plugs. All pipe plugs have two internal and two external threads and come with a storage box and a shut-off valve for ease of use. Internal and External Thread Design: The pipe plugs feature an internal and external thread design to meet your needs for various piping systems. Each brass end cap is standardized and precision-machined with a thick thread to ensure a better seal and compatibility. Premium Material: The cap is made of high-quality brass and features high strength, rust protection, corrosion resistance, high-pressure resistance, a matte finish, acid and alkali resistance, as well as robustness and durability. Easy Installation: Contains 16 rubber rings and 1 cap; can be screwed directly by hand to quickly seal leaks or close unused connectors. Widely Used: Suitable for outdoor taps, radiators, drain pipes, washing machine valves, radiator valves, garden hoses, and other common multi-inch hoses.