The Progressive Canning Rack is reversible, allowing it to fit quart jars, pints and half pints for all your canning needs. These stackable Canning Racks won't rust and fit in most 16 quart or larger stock pots. Water circulates evenly while boiling, making your canning experience a good one! Learn more about the Progressive Canning Rack and all of our canning accessories online: progressiveintl.com/index.php/...