Personalized Keychain With Kids Names 1.5" Oxidized Copper disk key chain stamped with the names of your choice. 1" Oxidized Bronze Disk stamped with the text of your choice. Perfect for Dad, Grandpa, Uncle, Mom, Grandma, or any name you choose. Hand stamping jewelry involves a piece of metal, a stamp, a hammer, and me. Please be aware that this is not etched with a machine and there will be variances in spacing, depth and alignment with each letter.