Details
Economy Block Metal Letter Stamp Set, Uppercase, Lowercase and Numbers 1/8" (3mm) Alphabet Punch Tool Set A-Z for Stamping Metal for Hand Stamped DIY Jewelry Crafts - Beaducation

Full lowercase and uppercase alphabet with 0-8 numbers (9 is a 6 upside-down)
Size: 3.2mm (1/8")
Tool hardened steel. Arrives coated in oil to prevent rusting. Clean oil with a dry paper towel.
Made to stamp on typical jewelry making soft metals, such as sterling silver, gold filled, copper, brass, pewter etc. Do not use on stainless steel.
Make sure you are working on a stable surface and use a steel bench block under the metal you are stamping on.