Specification Brand : HOXWELL BulletPoint1 : 【SPACE SAVING DESIGN】: The compact, stackable and nestable design makes it easy to store when not in use, and won't take up valuable storage space. Tire chocks the overall use of a triangular design. Make the product grip and friction stronger. It can be in place with just one quick step, no need for hammering, heavy blows, and other tired actions. People say that this special design does not have to worry about being squashed even on a wheel ramp. BulletPoint2 : 【UPGRADED DURABLE MATERIAL】: Our strong trailer wheel chocks made up of high-impact polymer, can effectively prevent the product from breaking. Unlike similar products that will slip, crush, oxidize, tear or break, these wheels are more durable. BulletPoint3 : 【CONVENIENT to CARRY】: The vehicle wedge avoids the traditional hard-to-grip and easy rust and bend steel rings. Instead, the circular hollow structure of the wheel chock can be used in pairs with ropes. So that the two-wheel-bearing housings can be kept together and easily pulled out. The compact size and sturdy handle make it more convenient to carry, use and summarize. BulletPoint4 : 【ADAPTABILITY】: Leveling Blocks are suitable for RVs, campers, trailers, cars, trucks, and small airplanes. Wheel chock can avoid the danger of rolling and make your travel safer. The feature of versatility makes it possible to carry a limited number of tire gears and can be used in a variety of places. BulletPoint5 : 【SIZE and SERVICE】: The product size is 8.1 x 5.1 x 4.5 inches, and weighs 0.42lb / PC. There are 4 packs in quantity. If you have any questions after purchase, you can consult, and we will reply and solve them within 24 hours. BulletPoint6 : Thread Size: 7/16,7/16",7/16-20,7/16"-20 Color : Black ExternallyAssignedProductIdentifier1 : 0718550748692 ExternallyAssignedProductIdentifier2 : 718550748692 FitType : Vehicle Specific IncludedComponents : NBTS202-4 IsAssemblyRequired : 1 ItemName : HOXWELL 4 Packs Wheel Chocks for Travel Trailers, Non Slip Heavy Duty Wheel Chock Stackable, Lightweight Wheel Stoppers for Cars Campers Trucks RVs, 8.1"×5.1"×4.5", Black ItemPackageDimensions_Height : 24.892 centimeters ItemPackageDimensions_Length : 14.605 centimeters ItemPackageDimensions_Width : 18.4912 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : automotive-wheel-chocks Manufacturer : RBNB Material : Steel Material1 : Vinyl Material2 : Wood Material3 : Alloy Steel ModelName : NBTS202-4 ModelNumber : NBTS202-4 NumberOfBoxes : 1 NumberOfItems : 4 NumberOfShelves : 1 NumberOfWheels : 4 PartNumber : NBTS202-4 ProductDescription : HOXWELL 2 Pair Wheel Chocks for Travel Trailers, Non Slip Heavy Duty Wheel Chock Stackable, Lightweight Wheel Stoppers for Cars Campers Trucks RVs, 8.1"×5.1"×4.5", 4 Pack, Black ProductSiteLaunchDate : 2023-08-02T08:43:01.107Z RecommendedUsesForProduct : Outdoor Size : 2 Pair SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredDgHzRegulation1 : unknown SupplierDeclaredDgHzRegulation2 : unknown SupplierDeclaredHasProductIdentifierExemption : 1 TargetAudience : Unisex Adult WarrantyDescription : 1 Year Warranty