40mm/1.57" Commemorative Coin Holder Keyring Medallion or Chip Collection Souvenir Coin Pendant Keychain Fashion Jewelry Feature: Holds ONLY 1.57" (40mm) diameter Challenge Coins, 3mm thick Solid metal alloy in a gold finish Pull ring apart, insert coin and tighten with screw attachment Perfect suitable for any commemorative coin (Thickness: 3mm,diameter: 40mm) Provide safe protection for your coin collection Perfect for your own collections or as a gift for any occasion. Specifications: Material: Alloy Color: Gold,Silver Size: Fits Coin Thickness: 3mm,Diameter: 40mm More detailed,please see photo Quantity:1Pc. Note: Transition: 1cm=10mm=0.39inch No retail package. Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1Pc x Coin Keyring (other accessories demo in the picture is not included.)