10 Pack 3/8" NPT Male Pipe Plug Fittings – Brass Hex Counter-Sunk Pipe Plugs for Pipe End Closure Five-Point Description: Solid Brass Build: Constructed from robust brass for superior strength and durability in pipe sealing. Precision Threads: Features tightly threaded male connectors that prevent leaks and ensure an airtight seal. Effortless Installation: Internal hex design allows easy use with a wrench for straightforward installation and removal. Wide Application: Perfect for sealing 3/8" NPT pipe ends, suitable for various fluids including water, gas, and oil. 10-Piece Set: Comes with 10 brass pipe plugs, providing a comprehensive solution for pipe end closures.