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. Set of two. Patented. Camco makes quality products for RVing, boating, camping, towing, tailgating, and grilling that help you take your passion for the outdoors to the next level.