Blank Challenge Coin: The package you receive contains 50 pieces of gold blank coin,its size is approximately 40 mm/1.57 inches in diameter and 3 mm/0.12 inches thick.A rich quantity can meet your daily needs. Protective package: To ensure maximum protection,each of our coin is securely encased in an clear acrylic box.This thoughtful packaging protects blank challenge coin from oxidation and damage. Ideal for DIY Enthusiasts: The surface of these coin is blank,perfect for DIY enthusiasts,you can do some personalised designs on the blank coin,such as a variety of patterns and text,to create unique and exclusive coin for you. High Quality Material: Made of high quality solid iron with threaded edges,fine workmanship ensures practicality and durability,smooth and shiny surface,thick enough,not easy to break or deform. Wide Application: Blank and finished projects can be used for collections,poker guard poker,lucky charms,amulets,souvenirs,also match with various hooks,rings,pins to make beautiful earrings,necklaces,bracelets. The surface of these coin is blank,perfect for DIY enthusiasts,you can do some personalised designs on the blank coin,such as a variety of patterns and text. Product size:40x3 mm/1.57x0.12 inches Colour:As Shown Material:iron Package Contents: 50 * Blank Coin Engraving Blanks 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.