Letters/ numbers/ symbo size: 6mm,4mm,3mm,1.5mm 36-piece letter and number set: capital letter "A" to "Z", number "0" to "9", and symbol " " (number 6 and 9 are the same). Color: Black C ompact size storage box, it won't take up a lot of space. Made of S2 carbon steel, durable and sturdy, South Korea quality Funny DIY tools, easy use and assembly the number and letter as you like. You can stamp your name, address, letters, numbers, words, sentences and others on most leather, wood, metal, alloy, gold, silver, copper, etc. 36-piece letter and number set: capital letter "A" to "Z", number "0" to "9", and symbol "" (number 6 and 9 are the same). Funny DIY tools, easy use and assembly the number and letter as you like. You can stamp your name, address, letters, numbers, words, sentences and others on most leather, wood, metal, alloy, gold, silver, copper, etc. Made of S2 carbon steel, durable and sturdy, South Korea quality. Compact size storage box, it won't take up a lot of space.