•Installation is a breeze! Each set includes everything you need: 6 screw collar caps (3 coarse thread & 3 fine thread), 3 spouts hoses with rubber gaskets, 3 threaded nozzle caps, 2 types of gas can vent caps, and even the drill bit required for the installation of the cap. If you require any assistance during the installation or usage process, our dedicated customer support team is always ready to help, ensuring prompt and efficient service.