US Coin Holder Necklace Kit Top loop unscrews, place coin in holder and screw top back on. Attach to chain with included jump ring (easy to open and close with needle nose pliers). Fabulous shiny penny not included (in this economy we need to hold on to as many as possible!). Chain is 24" long. Can be shortened if needed by removing some links. Chain is made in USA and gold plated in USA.