Letters AND Numbers - stamp out your message on metal or ... ? 1/8 inch letters. Upper case, sans-serif letters - alphabet, numbers 1 2 3 4 5 6 7 8 - plus the "&" symbol. The 6 doubles as the 9, or vice versa. (But I and 1 are different, and O and 0 are two different punches.) Imprint on metal, or metal clay (before or after firing), polymer clay (before baking). 36 punches. Additional photo has been mirror-ed so you get a better idea of the characters. Attention The blue container box that these are shipped in are as brittle as all get out, and most arrived damaged. The box is just a cheap plastic box, but the punches arrive fine. If the punches are damaged in transit, let us know, but the box is a throw away.