TRAC 10046 Trailer DollyMove and reposition loaded boat, snowmobile, utility and other trailers with little effort! Heavy-duty construction; Works in spaces where vehicles can't go; Pneumatic, all-terrain tires; Ergonomic handle; Super strong tubular steel construction; Black powder coated finish; 1-7/8" Ball Included, fits up to 2" couplers; 10" pneumatic tires cushion the load and make rolling easier (700 lb. T10046); 8a ^2 dual wheels (300 lb. T10041); Hardware included; 2 year warranty;