I have the following gaskets for sale: S-64-A Cover Gasket - fits Groco Stainers models SA-500 and SA-750 - qty - 4 500-K Wingnut Gasket - fits Groco Stainters models SA-500, SA-750, SA-1000, SA-1250 qty 3 Free, just pay shipping from Virginia - Paypal payment only please. Joe Urban Punches - Llancaster, VA