Fitz All 579 pot knobs, package of 2 knobs. For pot & pan covers, appliances, bread boxes, canisters, drawer pulls, cookie cutters, tools, etc. Heat resistant large headed rust proof screws, dishwasher safe. Easy grip, modern, high rise design. Their triangular cross section allows a firm and secure grip, even with wet fingers. They are constructed of heat-resistant Bakelite/phenolic in a glossy black finish that complements the appearance of any cookware.