Where do your kitchen cabinets rate on the quality scale? You really can't tell a cabinet by its cover. No matter how attractive the outside, it's what's inside your cabinet that really counts. The best-quality interiors are made from ¾-inch hardwood plywood. Door and drawer construction is also important Get a good look at their its construction, joinery, and the glides. The care and workmanship will be clear in these details - so get a handle on them before you buy.