Supernatural Symbol Bracelet SPN Silver Tone: Silver, black, and white Supernatural (SPN) symbol bracelet has 7 cabochon symbols specific to the TV show. Fits wrists up to 7.5 inches and can be extended another 2 inches. Has a lobster clasp. Great for any Supernatural fan! Symbols include: Men of Letters, Anti-Possession, Tulpa, Entry to Purgatory, Devil's Trap, Angel Banishing Sigil, Mark of Cain.