Each 2-gallon Patent Pending Cam Can unit comes complete with one mount and three cams to safely attach to your vehicles rear mounted spare tire. Purchase additional mounts and cams to store your Cam Can in the garage or on your trailer. The compact size allows the Cam Can to fit easily within the diameter of a 15- in. wheel, and it can be removed in seconds using built-in handles. The center lockable shaft is available in two lengths to accommodate up to two Cam Cans, using the lock of your choice. Rotational Molded Paxton 7000 Series Polyurethane Resin is used to manufacture each Cam Can, providing protection from harmful UV rays and drops that can cause leaks.