perfect for add unique decorations to your jewelry, leathercraft Package includes 12pcs Steel metal stamp set 1 / 8 ” (3mm), Crafted of steel for good strength, good durability for friend and hobbyist who like craft, jewelry making, leather working perfect engraving with metal stamping tool, meticulously metal stamp set to standard with accurate and clear strokes These heart and animal metal stamping tool set perfect for imprinting leather, wood, steel, brasses, aluminum, Use with punching tool for permanently engraving various commemorative statement and pattens on including jewelry craft