Great for quickly moving boat trailers, utility trailers and jet-ski trailers weighing up to 1,000 lbs. - Maximum 150 lb. tongue weight. * Dual 10" All-terrain solid rubber tires * 18-1/2" to 26" Height adjustable 1-7/8" hitch ball (3/4" shank) * Quick to assemble and easy to use * Heavy duty steel construction with a black powder-coat finish