1. Stable Materials: The metal stamps are made of high-quality alloy steel and undergo differential heat treatment to reduce wear and tear (HRC 58-62). The jewelry metal punch stamping tools are not easy to break and high in hardness and stable. The metal flower design punches can maintain a clear mark over time. 2. Widely Used: The metal stamping tools can easily leave a high-quality mark on aluminum, tin, copper, brass, nickel, silver, wood, leather, plastic and more. The Flower Pattern metal stamp can permanent marking for a wide range of production and identification needs. 3. DIY Art Stamp Punch: The metal stamping tools have clear patterns and can be engraved perfectly. You can use the flower stamps to add your desired patterns to your jewelry and design unique craft components such as rings, bracelets, necklaces, earrings, key chains, pendants and dog tags personalized. 4. Impression Size: The Flower Pattern Metal Stamping Tools are 2.6 INCHES (67mm) in total length; Impression Size: 5/16 Inches (8mm). The flower design metal stamps can give your jewelry a stylish stamp. Please use the metal stamp on the metal table or metal bench block and be careful when using the jewelry stamps to avoid finger injuries! 5. Perfect Packaging : Our packaging is compact and don't take up much space, and our double-layer packaging ensures the metal stamping tool arrive safely. If you have any questions after receiving the products, we will solve the problem as the way you want.