Specification Name:Letter & Number Stamp Set Material:45# Steel Letter size: 6mm Letter depth: 1mm 36pcs Set includes:27 letters (from A - Z) plus the "&" symbol as well as 9 number punches (0 - 8) - use the 6 as a 9 Features 1.The material is made of 45# steel by heating and quenching, which is strong and durable. 2. The surface of the font is treated with blackening and anti-rust treatment. 3. It comes with 26 capital letters,10 numbers and "&" symbol. It is perfect for personalizing jewelry and other items. 4. Applied to metal plate, lettering on metal surface 5.Compact size box for organization and security, easy and convenient to store and use, save space.