These measure approx. 3/4" X 1/2" and are marked ANSON, and also marked 1/20 12k G.F., and is also marked PAT 2093723, and is also marked PAT 2544893! 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