Features： 1、Sinking Preventing: By placing the wheels of the trailer bracket on the support block, subsidence in sand, grass and mud can be effectively prevented. 2、Supports 4400lbs: Made of ABS, this trailer jack chock is rugged and can support loads of up to 4,400 pounds, ensuring your trailer is stable. 3、Easy to Position: The trailler wheel dock chock comes with a rope handle that allows you to place it in the desired position for easy positioning. 4、Versatility: It's an ideal accessory for various trailer types, including RVs, boats, and utility trailers, making it a universal and necessary tool for any trailer owner. 5、Lightweight and Portable: Trailer tongue sopper is lightweight and easy to carry. The rope handle further adds to its portability, making it easy to move and store when not in use. Specification： Item Type:?Trailer?Wheel?Dock?Chock Color: Blue Material: ABS Load Capacity: 4400lbs Applicable to: Trailer RV camper Package List： 1 x Trailer?Wheel?Dock?Chock