The 40.8 in / 41.5 in / / 18.9 in / 22 in / 40.2 in adjustable handle and 4 in / 3 in wheels make it easy to move on any surface, improving efficiency. With two 4 in / 3 in tank wheels, you’ll glide over any hard surface like concrete, tile, or hardwood without a hitch – no annoying squeaks here.