These measure approx. 5/8" X 5/8, and are marked with Pat No. 2974381 which dates back to 1948! Please look at all photographs, as they are part of the description and ask any and all questions prior to looking. Thanks! Launched from my store - Powered by Highwire.com Track Page Views WithAuctiva's FREE CounterEvery buyer gets a MyStoreRewards invitation for cash back
