The Leonardo Basket Weave brass imprinter (brass stamp) has a pattern head of 13mm and is 5 inches long. It can be used anywhere on a bead and are small enough that you can place a few imprints on a bead or just make small beads for sets or even head pins. This one can also be used as a texture tool. There are 2 images of the tool showing 2 different angles. The sample imprint looks different on various colors of glass.