Malone Auto Racks Xpress Scupper Kayak Cart Two crossbar assemblies give you adjustable locking width control, Non-corrosive frame and stainless steel hardware All-terrain airless never-go-flat wheels, removable center foam block and upright foam padding Aluminum frame with stainless steel fittings 10in x 8in ROVER wheels, 10 inch L x 30 inch W x 22 Inch H, 150 lbs. weight capacity, 6 lbs Not recommended for soft sand usage