CH Hanson 20626 1/4 inch Standard Steel Letter and Number Stamp Set Each shank is perfectly tempered for an extra dose of safety This set consists 0 through 9 (6 used as 9), a through Z, and an ampersand (&). Works on wood, leather, aluminum, brass, sheet metal, and cold roll steel to offer usability in a variety of circumstances Fits flat in tool boxes to allow easy storage and mobility while on the go For hand-held, hammer struck applications