Our 3/8 inch NPT brass pipe cap set is the ideal solution for reliable plumbing sealing. Each set contains 10 solid brass end caps and 10 high-temperature resistant rubber gaskets, designed to fit standard US water, gas and air pipelines.
Crafted from brass, these caps are corrosion-resistant, pressure-resistant and built to last. The matching nitrile rubber gaskets ensure a 100% leak-proof seal, working perfectly in extreme temperatures from -40℃ to 120℃.
With a hexagonal shape for easy wrench tightening, installation is fast and simple for both DIY homeowners and professional plumbers. Widely used for shut-off valves, sink pipes, garden hoses and gas line sealing, this set is a must-have for all plumbing repair projects.