Includes 20 stamped blank coins for laser engraving.and make the DIY coin collection you want.Blank are approximately 1.5 inches in diameter and 0.11 inches thick.Individually wrapped in protective plastic capsules.The metal blanks are made of high-quality metallic iron, gold-plated, with a glossy finish, edges, and geared edges., easy to carry or use.The surface of the medal is blank, very suitable for DIY enthusiasts, you can not only laser engrave various patterns or words.And some personalization can be done on blank coins too.Meaningful gift for family, friends, neighbors, father, mother, children, classmates, co-workers, wife, husband, employees, colleagues, coin collectors.Colour:A: silver Material:brass Package Contents: 1 set x charms for jewelry making 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.