1)These sets usually contain 36 pieces, including capital letters (A-Z), numbers (0-9, with 6 and 9 often interchangeable), and sometimes a symbol like an ampersand (&).
2)The characters are designed to be clear and easy to read once stamped.
3)They are stored in a plastic case for easy organization and transport.
4)The punches are made from durable materials like hardened or alloy forged steel, offering high hardness and wear resistance.