Fine pewter will tarnish with time. It can be polished occasionally with a commercial polish available in most markets and hardware stores.
Pewter is a relatively soft metal, and can be filed with a nail file.
These pewter knobs have been brass-plated and then lacquered to be tarnish resistant. Do not clean with harsh chemicals or abrasives. They can be wiped clean with a damp cloth. Bronze Our bronze handles and knobs are cast in the traditional lost wax method. They have been waxed to help protect the finish.