Heavy Duty: HDPE material; Can be used on tires weighing up to 35,000 pounds and up to 32 inches in diameter
Easy to Use: Level your RV any increment between 1/2" and 4" in less than 5 minutes
Fit Tandem Axle RV: Up to 4 inches can be cut off. the following cases require cutting: Tire Diameter 24.1" and Tire Spacing less than 6"; Tire Diameter 26.3" and Tire Spacing less than 4.8"; Tire Diameter 27.1" and Tire Spacing less than 4"