For Rock-Ola
Rock-Ola used crystal cartridges first, then ceramic and magnetic ones at last. In Germany many models had been equipped with Elac KST 103. Please compare the installed cartridge resp. stylus in your jukebox. Please compare the installed cartridge resp. stylus in your jukebox with given information. Changes might have been made within the years. The following link displays photos of originally used cartridges to identify the needle you need: Rock-Ola