Solid Brass Miniature Functional Collapsible Telescope Keychain A fully functional miniature collapsible telescope keychain Made from solid brass, this pocket spyglass scope key chain is both beautiful and functional Keychain measures 4" in length, spyglass scope measures 1 1.4" closed, 3" fully open Great telescope to keep in your pocket as a keychain, has 3x power Not intended to be used as a primary method of finding direction; however, this is a fully functional miniature telescope that may come in handy someday