The Tru-Flate 13-101 Coupler/Plug Set is a versatile pneumatic tool accessory set that includes a 1/4" female NPT coupler and a 1/4" male NPT plug. This set allows for easy connection and disconnection of air hoses, tools, and other pneumatic equipment. The female coupler features a 1/4" National Pipe Taper (NPT) thread that securely attaches to the male plug. The male plug, on the other hand, can be inserted into a compatible female coupler or air tool. The set is constructed from high-quality materials to ensure durability and longevity, even in demanding working conditions. With the Tru-Flate 13-101 Coupler/Plug Set, you can quickly and securely connect pneumatic components for efficient and reliable air supply.