No Touch Door Opener, Bottle Opener, Stampable
The base of these are a zinc alloy and the top is a very thick layer of a matte bright silver zinc alloy. Do not use nail polish remover, a buffing block, steel wool or any harsh polishing product. If you buff really hard with something harsh, it will remove that top layer and reveal the darker silver color underneath. Light use of a ProPolish pad seems to be ok.
After much testing, we have found that small sharp letters tend to displace the metal in a way that ends up looking like little cracks around the letter. Letters 3mm and larger seem to work best.
People like to use this tool to open door handles, push buttons, open bottles etc., to avoid getting germs on their hands.