Highlands 2mm Metal Letter Stamp Punch Set. GET Both Uppercase and Lowercase Sets. All 25 Letters Plus the & Symbol. Quality Eurotool brand PUN-720 and PUN-725 Metal Alphabet Stamp Sets, You get Upper and Lower case sets. All 25 letters plus the & symbol Good qualify Eurotool Brand, comes in a handy box for storage Letters are approximately 2mm in height Use on Metal, Plastic, Leather, Clay, Wood and More. Works very well on Copper, Silver, Pewter, and Brass. NOT designed for stamping steel