Please note that there are scratches and peeling on the wood, although this does not affect the use of the product. [Alphabet Size] Approximately 40mm [Number Size] Approximately 50mm [Height] Approximately 23.6mm Set of 26 alphabets & 9 numbers (6 and 9 are used together) These are Thompson-style leathercraft cutting dies. Ideally, a press machine is recommended, but you can also punch them out by tapping if you don't have one. Place the leather on top of the cutting die and tap with a rubber mallet or wooden mallet. Be careful not to touch the blade as it is sharp. It is unknown whether it can be used for materials other than leather.