[Better carvings] Customized challenge coins adopt a frosted surface, which looks elegant and textured. [Small size] Including 10 pieces. The diameter of the brass challenge coins is about 40 mm/1.57 inches, and the thickness is about 3 mm /0.11 inches. Please note: There is no hole. [Gifts] You can give these laser billets to friends, family, military currency collectors, etc. It can bring them happiness and make your relationship closer. [DIY] It is very suitable for laser carving, stamping, etching and carving items. You can make some personalized designs above. [Protection Box] Customized challenge coin independent packaging parent protective box, which can effectively protect the product from scratching. size: 40mm Material: brass colour: Gold Package Contents: 10 x laser blanks Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.