ImpressArt- Juniper Letter Stamps, Uppercase ImpressArt's professional quality metal stamps are manufactured to the highest standard for durability and alignment. Letter stamps are precision-cut from carbon tool steel, hardened to last project after project. The side of each stamp is labeled with the letter for easy identification and orientation. All stamps have an oil-free finish to protect against rust. Each letter set comes in ImpressArt's sleek storage case. The case features labeled slots for each stamp to keep them organized and for easy access. Size: 3mm (will stamp letters approximately 3mm tall) Oil-free coating to protect against rust Each stamp labeled on side for easy identification and orientation Letter sets include full alphabet and 6 bonus punctuation and design stamps Will stamp soft metals including gold, silver, copper, brass, soft steel, aluminum and also wood Uppercase On Sep-27-14 at 04:58:40 PDT, seller added the following information: