36 Pc 3mm 1/8" Alphabet & Number Steel Stamp Punch Set 1/8" A-Z, &, 0-8 (Turn 6 Upside Down for 9) Used for Jewelry Markings and other intricate designs Material: Hardened Steel Color: Black Anodized Length: 2-9/16"  Width: 5/16"  Height: 5/16"