Phonograph needle, genuine branded Astatic N19-sd. Used in Astatic cartridges 223, 223D, 231D, 231. Used in Jukeboxes, Wurlitzer 3500, 3500 Series, Wurlitzer 133352. Found in many Clairtone models. Tips: .7 mil diamond and 3 mil synthetic sapphire. Speeds: 33, 45 and 78 RPM. New old stock. Search my store titles AND descriptions. Enter needle no., cartridge no. or brand name. E-mail for further help.