Customize your 10-gallon tanks by adding these bottom ring covers to any 10-gallon Worthington tanks. Protect your basket flooring by using these snap-fit bottom ring covers. These covers snap on to the under side of the tank, letting you move or adjust the tank while eliminating the hassle of trying to keep foam padding under the tank. They work great to protect your trailer floor as well as stopping the dings from putting your tanks on concrete flooring as well.