THE PLASTIC KEY SHAPED ADVERTISING THEROMETER SAYS: THIS KEY TO BETTER HOUSEHOLD FURNISHINGS. PETTIREW'S FURNITURE & APPLIANCES. 217 E. MAIN, JACKSON, TENN. PHONE 427-4751. THE THEROMETER MEASURES  8 7/8 INCHES LONG. PLEASE SEE THE CONDITION DESCRIPTION AND PICTURES TO GET MORE DETAILS ABOUT THE ITEM.