Secret Compartment Security Kit Keyring with Whistle CHROME
Use this kit as a keychain, whistle, and a secret compartment for pill storage - easy to make - very practical! 10mm tube, 2-9/16" long. The Chrome plating is ultra hard, gives a superb substrate adhesion, has a bright, attractive finish, and is stable and noncorrodible. It also gives ultra high metal-to-metal sliding wear resistance and provides superb abrasion resistance, even under high contact stresses.