●Capacity & Application: This trailer dolly with 600Lb load capacity, allowing you to quickly move a wide variety of trailers up to 600Lb effortlessly.And the 32.7 widened wheelbase makes your work stable and effortless on uphill and downhill roads ●Height Control: You can adjust the trailer movers hitch ball to accommodate different sized trailers. With a 2 diameter universal ball, you can perfectly connect the dolly with the coupler of trailers ●Tires Design: This trailer mover dolly is equipped with Two 14in. flat-free tires, capable of rolling smoothly on grassland, sand, cement road, and so on without worries about a flat tire. Triangle support can bring stability when the dolly moves ●Excellent Quality: The trailer dolly made of high-quality carbon steel with a powder-coating surface prevent abrasion and corrosion, 41.3 long handle with rubber sleeves soft touch & convenient to operate ●Suit for All Kinds of Trailers: This trailer tow dolly is your ideal option to move your boat trailers, utility, cargo trailers, and other small and medium-sized trailers into storage, through tight areas, and in spaces where you cant park them. Its widely used on yards, carports, driveways, caravan parks, etc