The Camco Stabilizer Jack Support is a 7" tall leveler that's great for use with stabilizer jacks that don't reach the ground. It can also be used with tongue jacks equipped with a footpad. The Stabilizer Jack Support is constructed of durable UV-stabilized polypropylene and nests for storage if you own more than one. Key Features• Strong, stable surface for stabilizer jacks that don't reach the ground• Can also be used with tongue jacks equipped with a footpad• Provides 7" of lift• Constructed of durable, UV-stabilized polypropylene• Supports up to 5, 000 lbs. Supports up to 5, 000 lbs. Made of UV-stabilized polypropylene