Iron Metal Stamps, Including Letter A~Z, Number 0~8 and Ampersand &, for Imprinting Metal, Plastic, Wood, Leather, BlackSize: about 6mm wide, 60mm long, 36pcs/box, packing size: 47x47x78mm. Letter I: 4x1.7mm; other letters: 4x3mm. Number 1: 4x1.7mm; other numbers: 4x3mm.Works with metal, leather, wood, clay, and more; great for a variety of applications. This product is suitable for copper, aluminum, and iron, but it is not recommended for use with exceptionally hard metals. You need to hit it hard with a hammer to seal it.
