Package and Transport Contents: You'll receive 10 blank coins with threaded edges for engraving, individually packaged in acrylic boxes to protect the brass from oxidation and damage. All coins are packed in a plastic box for easy transport. Coin Size and Material: These metal blanks for engraving are approximately 40 millimeters/1.57 inches in diameter and approximately 2.2 millimeters/0.0867 inches thick. Pure brass coin, without coating. Heartfelt Gifts: These blank coins can be engraved with designs for friends, family, girlfriend, boyfriend, colleague, neighbor, classmate, dad, groom, or friend as meaningful gifts. DIY Fun: The surface of these metal blanks is smooth, making them perfect for DIY enthusiasts. Create designs and words on the blank coins. Laser-engraved blanks can also be combined with hooks and rings to create beautiful badges, pendants, charms, dangles, necklaces, and custom keychains as pet ID tags or keepsakes. Aluminum silver-plated coins are suitable for manual engraving and metal engraving machine engraving. A starting power of 10W-20W can leave marks on the metal coins. Color: Gold Material: brass Size: 40mm Package Contents: 10 * Blanks