Ideal For Canning -- Our racks are great for keeping jars off of the bottom of the pressure cooker / pressure canner while canning. Our 2-pack allows you to create multiple layers in a batch which will speed up your canning Made For Large Pressure Cookers / Pressure Canners -- Measuring 28cm in diameter, our racks are compatible with Presto (TM) 01781 23-Quart, All American (TM) 21.5-Quart, T-fal (TM) P31052, Granite Ware (TM) 0730-2, Mirro (TM) 92122A and more High-Quality Material And Construction -- Made from durable stainless steel, our canning racks are built to be used over and over again! Please Measure Your Pressure Cooker/Canner Before Purchasing To Ensure Fit -- It must have 28cm of usable interior diameter - If Not, This Will Not Work For You