Heart Photo Keychain with Picture Inside — Custom Gift bracelets Do I need any tools

Do I need any tools to assemble the jewelry

or For Couples (matching pair)

Non-tarnish finish

Is the dogtag shape the same size for all metal options

Heart Photo Keychain with Picture Inside — Custom Gift bracelets Do I need any toolsHeart photo keychain with picture inside your favorite memory on every keyring This heart photo keychain with picture inside holds your chosen photo secretly inside a heart shaped pendant on a keychain, revealed when you hold your phone camera over it or shine a light through the back. A compact, personalized photo jewelry gift that goes everywhere without being left behind. Hidden photo inside a heart pendant, visible only by camera or flashlight