Highly Compatible: Fits many kinds of kitchen utensil lids, compatible with heavy dutch ovens.
Made of thick high quality stainless steel, it is safe at most oven temperature.
Durable and sturdy, rustproof and can be used for a long time, heat resistant, dishwasher safe.
Easy to install: The screws are easy to fix, just put the button, rubber gasket and metal gasket correctly, then use a screw to tighten them.
Packing List: 2 packs / 4 packs of optional jar cover buttons, better meet your needs.