Camco 44421 RV Heavy-Duty Stabilizer Jack SupportCamco’s Heavy-Duty Stabilizer RV Jack Support provides lift and stability for RV jacksoffering 7-inches of lift. The jack support is compatible with up to 10-inch round jack pads. It has a weight rating of 6,000 lb. and overall measurements of 13 -inches x 15-inches x 7 -inches tall. This durable jack support is constructed of a heavy-duty, UV-stabilized polymer. Easy to store, it nests for storage if you own more than one.Provides Lift and Stability for RV Jacks: Provides 7-inches of liftCompatibility: Compatible with up to 10-inch round jack padsWeight Rating: 6,000 lb.; Overall Measurements: 13 -inches x 15-inches x 7 -inches tallEasy to Store: Nests for storage if you have more than oneDurable Construction: Made of a durable, UV-stabilized polymer