1/2-inch hose coupling with female thread and hose barb, 12–18 mm diameter (brass) - on a card

This brass faucet coupling with internal thread 1/2" and hose grommet (12-18mm) is suitable for connecting a hose to a 1/2" faucet with external thread. To clamp the hose to the hose grommet, use a hose clamp.