Brass Coin Blanks for Lasering Engraving diys The blanks arbitrary engravings! Perfect for stamping, etching, Lasering engraving, and engraving projects Customs engraved with unique patterns, logos, or text for your loved, pets, friend, or idol Preserve cherished with these personalized designs Professional protections blanks challenge Included Each coin is equipped with a transparent acrylic storage box that prevents scratches and oxidation All are stored in a plastics box for easy organization Double-Sided Engraving Diameter: 1.57 " (40Mm); this brass coin blanks feature a threaded edges The surfaces supports engravings on both sides, suitable for intricate designs Unique and Practical Souvenirs for weddings, anniversaries, event challenge The brass coin blanks can be made into necklaces, keychains, pet ID, dog collars, and other decorative items Brass Coin Blanks make from brass with a beautiful golden luster These brass are hard and stable.They won ' t break or fade with long term use.Durability and sturdy