Bench Wizard 36 Pc Number and Letter Punch Set | 1/16" (1.5mm) | Heat-Treated Carbon Steel Punches for Imprinting and Arts and Crafts | Great for Metal, Plastic, Wood, Leather Stamping. CONTAINS: 36 Metal punches from 27 letters (A - Z) , 9 numbers (0 - 8 with 6 use as 9), and 1 & sign. All are on 1/16" (1.5mm) square shank for as impact hammer bits. HIGH QUALITY STAMP SET: Our classic number and letter punch set is created with hardened, heat-treated carbon steel for high durability. MULTIFUNCTIONAL PUNCH SET: Great for creating crafts, marking valuables, stamping nameplates, and refurbishing worn or scratched serial numbers. GREAT FOR MANY SURFACES: Heavy duty punches are ideal for making permanent imprints on metal, plastic, leather, wood, and more. COMPACT CASE: Each set comes with a hard plastic case for easy storage, travel and organization.