Hopkins Towing Solutions Level + Plus. Indicates how many inches to raise the low side to level. Plus memory to return to hitch height when reconnecting tow vehicle. No more jumping in and out of truck. Features of Hopkins Towing Solutions 5515 Level + Plus Front-to-back or side-to-side leveling Markings include number of inches required to raise or lower the trailer or vehicle to reach level Memory feature remembers the hitch height when reconnecting to the tow vehicle No more jumping in and out of the truck Package Contents: Hopkins Towing Solutions 5515 Level + Plus Hopkins Towing Solutions 5515: Level + Plus