Size information: You will receive 6pcs blank coin with a screw edge for carving.These blank medals are about 40 mm/1.57 inches in diameter, 2 mm /0.08 inches thick, small and exquisite, and will not become a burden on production or wear. High-quality materials: These blank challenge coins are made of alloy, non-electroplated brushes. These medals are reliable, elegant on the surface, and are not easy to fade, rupture or deformation. It is suitable for long-term use. It provides you with a comfortable use experience experience. Creative DIY fun: The surface of these medals is blank, compact, and the ideal choice of DIY enthusiasts; the blank surface is suitable for various patterns or texts of laser carvings, you can make personalized design on it; but note: metal coating: metal coatingLater, please use laser (such as CO2) to mark metal coins; you can also match various hooks, ring, unnecessary needle, tassel, etc.Make exquisite earrings, necklaces, bracelets and other decorative items. [Precious and heart-warming gift] You can give it to friends, family, girlfriends, boyfriends, colleagues, colleagues, neighbors, classmates, father, groom, friend, military coin collector, etc.It can bring them happiness and close the relationship with you. Independent Acrylic Protection: Each carving coin is packaged independently in a transparent acrylic protective box, which can effectively prevent the product from being scratched. Colour:Multicolor Material:Metal Package Contents: 1set * laser engraving blanks(6PCS) 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.