Stamp letters or numbers quickly and permanently onto metal tags or other metal parts. Stamp letters, numbers for codes and other information onto blank metal tags. Steel hand stamps produce quick and permanent hand marking onto metal tags, as well as other metal parts - such as tools, components, assemblies and plates. Hold the stamp shank onto the tag and strike it with a hammer to mark an impression. The crowned top assures full force to the center of the stamp. Standard-duty grade stamps are high quality for general marking. Combination Set contains 36 pieces (A-Z, period, 1-8 with 0 for O and 6 for 9).