Garden Hose Thread Brass Cap
Garden hose thread -- (aka brass Dixon cap) female 3/4" garden hose thread (GHT)
Includes a short chain so that you do not lose the cap. For capping the faucet on the outside of a home or building. The faucet must have a male garden hose thread, which is the North American standard thread.
You can also use this item to cap off the end of a garden hose.