30 replacement pieces: You will receive 30 copper discs for carving acrylic protection boxes, with exquisite workmanship; Sufficient quantity to meet your DIY project, replacement, and sharing needs with partners High quality material selection: These gold colored metal stamping blanks are made of high-quality brass material, which is sturdy, , reliable and safe, sufficiently sturdy, and will not break, fade, wear and tear, serving you for a long time Attention worthy size details: Our brass coins have a diameter of approximately 1.57 inches/4 centimeters and a thickness of approximately 0.08 inches/0.2 centimeters. They are small in size but heavy in weight, making them easy to store and produce some artworks; Please pay attention to size details before ordering DIY Fun: The of these blank metal is blank, very suitable for DIY enthusiasts; The of the blank is suitable for carving patterns or texts, and can be designed with some styles on it; They can also be paired with hooks, rings, and pins to create beautiful earrings, necklaces, bracelets, and other decorative items Acrylic protection box: Each brass coin blank is packed in a separate transparent acrylic protection box, which can effectively prevent scratches, dirt, or moisture from appearing on the metal coin blank during transportation, so you can use it with confidence Colour:Gold Material:Copper Size:40mm Package Contents: 30 * blank coins 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.