Material: This faucet adapter is made of brass, which is wear-resistant, anti-rust and has a longer service life than plastic materials. 3 in 1 design: Each adapter can be divided into 3 parts, designed with long threads and rubber rings, suitable for connecting faucets with outer diameter from 1/2'' to 3/4''. Adjustable clamp hoop: Our round faucet connector is designed with an adjustable stainless steel clamp ring, which can be adjusted by the handle, saving time and effort. Convenient installation: Align the adapter with the faucet, then secure it by tightening the clamping ring with the handle. No tools are required, and the nozzle can be directly connected to the water pipe. If the faucet is too large, you can remove the inner rubber ring. Application:The adapter with rubber ring can effectively prevent leakage.It is suitable for most faucets with round or oval water outlets, garden hoses, car wash attachment, washing machines, etc.