Hose is 1/8 In. I.D., 12 Ft. long with 3/8 In. Female pipe thread x 3/8 In. Male flare quick connect/disconnect with dust plug and cap. Most commonly used on connecting natural gas barbecue grills attached to decks or patios to supply from a structure. Hose material pressure tested to 600 psi. Solid brass fittings.