Multi-use aerator key allows for removal or installation of aerators with ease. Over time, aerators can get clogged with mineral deposits causing erratic or slow water flow, creating a need to clean or install a new aerator. Fits most popular brand faucets for standard size, junior size, tiny junior or Tom Thumb size. While wrenches and other tools can scratch or cause damage to the housing of the faucet, this aerator key was designed specifically for easy, non-abrasive installation and removal of aerators. Rubber coat around the wrench prevents scratches or damage during aerator removal or installation. Easy-to-turn handle offers an easy, non-abrasive way to remove a hidden aerator. Durable and reliable metal construction. Aerator key tool has an aerator wrench for internal or external threads, as well as four sizes of keys that fit most faucet brands. Must have tool for plumbers, property and facility managers.