"The Tow Tuff Heavy Duty 2-in-1 Adjustable Height Trailer Dolly is full of innovation and specialized designs. This product has a patented, innovative dual-pull design for towing and manually pulling/pushing trailers. The 1,000-lb. load capacity means that you can move a wide variety of trailers. The unique, 3-wheel design features two 16"" flat-free tires and one 10"" swivel, flat-free caster, making it easier to maneuver. Simply switch between towing and manually pulling in seconds to make the most out of this product. The adjustable 2"" ball hitch adjusts from 23.75"" to 35.5"" and it features a pin style hitch for easy and fast hook up. Specially designed with spring-loaded, pop-out handles to allow for easy maneuvering. The 37"" wide wheelbase is another feature that makes moving trailers fast and easy with this trailer dolly. Timber Tuff's trailer dolly also features an extra-long handle for additional leverage. This boat dolly from Tow Tuff is constructed of heavy-duty steel for long-lasting durability. 46""L x 17""W x 7.75""H. Weight: 70 lbs. Mfrs. 1-year limited parts warranty. Innovative dual-pull design for towing, pulling, and pushing Two 16"" flat-free tires and one 10"" swivel, flat-free caster 2"" ball hitch adjusts from 23.75"" to 35.5"" Spring-loaded, pop-out handles 37"" wide wheelbase makes trailer moving safer and easier Extra-long handle adds leverage Patented, unique trailer dolly design Constructed of heavy-duty steel 1,000-lb. load capacity"