The product is a set of 3 replacement knobs designed for a Vintage Corning Ware Coffee Percolator, specifically models P 116 KC and P 119 KC. These knobs are essential for maintaining and functioning of the percolator, allowing users to easily replace any broken or missing knobs for a seamless coffee brewing experience. With the trusted CorningWare brand and specifically designed for vintage coffee percolators, these knobs are a reliable and authentic addition to any collector's kitchen appliance collection.