Up for sale is a new, replacement set  (2) of hold down sprocket rollers for Regina Music Boxes l5 l/2" 12" ll" 8" NON CHANGERS.  These rollers are made of Delrin, they will outlast your music box.  The set of two rollers will be sent via USPS Ground Advantage at my cost...unfortunately  they are too thick to be sent via first class mail.