The right canning equipment is essential to ensure a quality product. Granite Ware has all the canning products, tools and accessories to do it safely and successfully. The Granite Ware Canner Jar Rack accommodates one-quart jars and fits 21 quart Granite Ware Canners perfectly, helping keep canning jars from touching the sides of the canner. The two handles make it easier to lower and raise canning jars and are contoured to rest on rim of canner.