The EZ Change Faucet Tool is a multi-purpose under sink plumbing tool that works on most faucets. This lightweight tool with durable aluminum inserts handles many aspects of faucet installation including shut off valves supply lines and basket strainers. The short reinforced body not only clears spaces but is easy to store. It is a great addition to any toolbox. Open slot allows easy placement over supply lines to loosen or attach supply lines (supply lines not included).