1/8 Inch Metal Number Stamping Set. Great for personalizing jewelry and craft components. Use them to stamp copper, silver, brass, as well as wood, plastic, leather and more with 1/8" (3mm) impressions. Stamps feature a Classic Sans Serif font, similar to Arial, popular for its stylish simplicity and readability. This set includes number stamps "0-8" (6 stamp is used for both 6 and 9). Stamps are made of tempered steel and come in plastic case. Sold as one set.