Blank Brass Challenge Coin Laser Engraving Coins Blanks 40 mm with Acrylic Protection Box for DIY Crafts Birthday Travel Commemorative Collection (10pcs Brass)

【Brass Material】The Custom Engraving Coins Blanks is made of quality brass.solid brass and non electroplated brushed.There may be trace on the surface because of non-electroplated brushed.Noted: The surface of the coins is coated with a protectived coating to prevent oxidation.Removing this coating before engraving can lead to better results. 【Size Information】10 pcs custom coins are included. The Brass Challenge Coin measure approximately 40 mm/ 1.57 inch in diameter and 3 mm/ 0.11 inch in thick.Please Note: NO HOLE. 【Gift】You can give these blank medals to friends, family, military coin collector, etc. It can bring them happiness and make your relationship closer. 【DIY】Perfect for stamping, etching, laser engraving,and engraving projects.you can make some personalized designs on it. 【Acrylic Protection Box】 each blank coin is independently packed with a transparent acrylic protection box, which can effectively protect the product from being scratched.