Feature: 1. MAIN USE: The wheel stabilizer is locked between the double row tires of your camping vehicle, etc., to maintain the stability, comfort, and safety of your travel trailer. 2. CAST STEEL MATERIAL: Made of durable large sized cast steel with a corrosion resistant zinc coating, the wheel x shaped chock can be used outdoors for a long time on any surface. 3. STRONG FRICTION: The multiple protrusions in the bean shaped design increase the friction with the tires, making the stabilizer work more firmly between the two tires. 4. ALLOW DRILL BIT ADJUSTMENT: Saves time by connecting the included drill bit to your electric drill and allows for adjustment within seconds, eliminating the need for manual operation, resulting in better efficiency and ease of use. 5. APPLICABLE SCENARIOS: Suitable for various tire spacings. Essential accessories that can help improve the stability of RVs, travel trailers, campers, motorhomes, fifth wheel trailers, toy carriers, and more. Before moving the vehicle, be sure to remove the wheel stabilizer. Specification: Item Type: Wheel Stabilizer Product Material: Cast Steel Applicable Wheel Distance: Approx. 3.5 to 10.4in / 8.89 to 26.42cm Suitable for travel trailers, RVs, fifth wheel trailers, toy carriers, hybrid vehicles, models, etc.. Package List: 2 x Wheel Stabilizer1 x Wrench 1 x Screw