Specifications: Item name: Jewelry Metal Stamping Tool Kit The length of the hammer: 6.3" The diameter of the metal block: 3" Capital Letter Punch Specification: 1/4" (6mm) Lowercase Letter Punch Specification: 1/8"(3mm) Package size: 7.5" x 6" x 2" Package weight: 5lbs Package list: 1 x No-Rebound Metal Stamping Block 1 x Jewelry Stamping Hammer 1 35pcs 1/8" (3mm) lowercase letters and numbers punch set 1 35pcs 1/4" (6mm) uppercase letters and numbers punch set 2 1/4" (6mm) symbol punch ?Complete Jewelry Making Tools?You will get a professional steel block, 37pcs 1/4"(6mm ) punch set( includes "A-Z" letters, "0-9" numbers 2 symbols punches), 35pcs 1/8"(3mm ) punch set( includes "a-z" letters, "0-9" numbers), and a metal stamping hammer, they are an essential tool kit in your metal working/jewelry making toolbox ?High Quality Stamps?All letter punches are made of high quality high -carbon steel material that is wear-resistant, long-lasting and extremely durable, they are suitable for permanent marking on brass, leather, aluminum, silver, plastic, stainless steel and more ?No-Rebound Steel Block?The block is made of industrial grade hardened carbon steel and No-Rebound design. The bottome of the block is wrapped with rubber to absorb shock and vibration caused by knocking ?Jewelry Hammer?Double-headed mini steel hammer with flat and domed ends to achieve an accurate strikes, the ergonomic rubber-coated handle with a grooved grip which is easy to grip and use ?Widely Used?This professional jewelry stamping tool kit is perfect for beginners and skilled craftsmen alike, they are perfect for making unique and fashionable hand-stamped jewelry and craft components, such as rings, bracelets, earrings, necklaces, keychains, pendants, pet tags and more