JRS JRS 900lbs Trailer Jack with Single Wheel, Adjustable 17.5" Lift Travel, Boat On for Boat RV Utility, Towing Single Wheel JRS Trailer Jockey Wheel is an essential component designed to enhance the maneuverability and stability of trailers when they are not attached to a towing vehicle. This tool is crucial for positioning trailers precisely in tight spaces, such as during storage or when hitching to a vehicle. Made from durable materials, the jockey wheel can withstand the demands of both residential and commercial use, ensuring long-term reliability. The jockey wheel is typically equipped with a heavy-duty rubber or pneumatic tire that allows for smooth movement over various surfaces.