Outdoor Recreation Lock: The system is patented and award-winning to protect homeowners from unauthorized outdoor tap water. Suitable for most faucets – Hose fits most wall-mounted faucet hose sizes, be sure to check your faucet size before ordering; heavy-duty steel construction, anti-corrosion coating. Easy to Install – Easy to install on your faucet in seconds; no tools required; standard padlock (not included). Peace of Mind: You no longer have to worry about big swings in utility bills or interference with your pipes. The complete faucet and green faucet cover assembly. Outdoor household and vacation faucets, vacation homes, rental apartments, office buildings, parks, schools, restaurants, etc.