This set of 2 adjustable kitchen shelves expands from 13" to 20.5" in length and adjusts in height from 4.5" to 7.7". Stack or use individually for versatile storage of spices, mugs, dishware, and canned goods. Supported by thickened iron pipes instead of sheets—enhanced stability with a 50-lb capacity. Perfect on countertops or in cabinets. Assembly takes just 5 minutes with 4 screws.