HxWxD are dimensions of the product. This particular arrangement is composed of: 3 pcs of large mediate basket code 97021, 1 pcs of large mediate basket with nuts code 98126, 1 pcs large top basket code 97470, 4 pcs separators code 97118, set of wheels. You can create any arrangement with any number of baskets, separators, wheels and ordering the upper basket. To install a wheel is needed to order a basket with nuts welded Code No. 98126.