Camco Curved Leveler Wheel Chock [44423]Curved Leveler & Wheel Chock The Camco Curved Leveler is a simple way to level your vehicle by giving a tire up to 4 inches of extra lift. The honeycomb design makes the leveler lightweight but durable. The drive on curved design allows you to only drive on to as much height as needed, then chock the leveler at the exact right height. The included chock has non slip rubber grippers on the bottom. Patented. Features: Easy drive on leveler adds up to 4