Trademark Tools 0.25" 36-Piece Premium Grade Letter and Number Stamping Set: * All the letters and numbers are constructed of heavy-duty steel * Each number or letter measures approximately 5/32" (4 mm) * Great for jewelry and other intricate designs * The number 6 can be used as 9 * Each punch measures approximately 2-3/8" x 1/4" (60mm x 6mm) * Comes in an organized wooden storage box with labels for each spot your set stays in order * 1 set of 27 letter punches A-Z with an ampersand * 1 set of 9 number punches 0-8 * Wooden storage case