"The Tow Tuff Hard-Surface Adjustable Trailer Dolly has an adjustable height from 21-1/8"" to 25-3/8"" and a maximum weight capacity of 1000-lbs. to fit a variety of needs. This trailer dolly is very versatile and can be adjusted backward and forwards for your desired load distribution. The three 5"" polyurethane casters are tough and make maneuvering this boat dolly easy. The 2"" trailer ball allows you to use it with a wide range of equipment. This unique trailer dolly from Tow Tuff is especially designed for use on cement and tar surfaces. The durable, powder-coat paint finish resists rust and corrosion. 5.6""H x 17.75""W x 32""L. Weight: 50 lbs. Mfrs. 1-year limited parts warranty. Adjustable height from 21-1/8"" to 25-3/8"" Can be adjusted backward and forward for desired load distribution Easily maneuver with the three 5 polyurethane casters Hard surface trailer dolly features a 2 trailer ball Ideal for cement and tar surfaces Durable, powder-coat paint finish resists rust and corrosion"