Size Information: You will receive 12 pieces of threaded edged blank coins for engraving. These blank medallions measure approximately 40 mm/ 1.57 inch in diameter and 3 mm thick, making them small and delicate enough not to be a burden when crafting or wearing Quality Material: These blank are made of Copper, non electroplated brushed these medallions have reliable quality, elegant gloss, not easy to fade, break or deform, suitable for long term use, giving you a comfortable use experience DIY Fun: The of these medallions is blank and compact, ideal for DIY lovers; The blank is suitable for laser engraving various patterns or words, you can make some personalized on it; But pay attention:after coating the metal, please use a laser like CO2 to mark metal coins; You can also match various hooks, rings, pins, tassels, etc. to make beautiful earrings, necklaces, bracelets and other decorative items Precious and Heart Warming Gift: You can give these blank medals to friends, family, girlfriend, boyfriend, colleague, co worker, neighbor, classmate, father, groom, friend, coin collector, etc. It can bring them happiness and make your relationship close Acrylic Protection: Each engraving blanks coin is independently packed with a transparent acrylic protection box, which can effectively prevent the product from being scratched 12 Blank for for DIY Crafts Engraving This set of blank coins is ideal for laser engraving, can be engraved into a variety of patterns or words to friends, family, friends as meaningful gifts. You can also use these blank collection coins to make beautiful earrings, necklaces, bracelets, key chains, bag pendants, pet ID collars or more decorative items. Each blank will be paired with a plastic protective box, to provide better collection effect and protect it from loss or scratch. Specifications: Material: Copper Color: Silver Size: 40 mm/ 1.57 inch in diameter and 3 mm thick Package Contents: 12 x Blank 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.