Diamond replacement diamond needle seller Astatic N651sd or N644sd for Pfanstiehl 754-DS13. Replaces: Shure N4, A-6S, A-6SD and A6D. Also replaces: Magnavox 560193, 560177, 560188, 560188-1, 560192, 560207-1. Used in: Shure MI-44, ML44, PC-6, PC-7; WC-6. Stereo and Mono. Speeds: 16,33 & 45 RPM. Tip: 1 mil diamond and .3 mil synthetic sapphire. New old stock. N645-SD, 629DS, 3110DS, AC187D1, PD-529, JPS36SD, P213DS, W33DS. Search my store titles AND descriptions. Enter needle no., cartridge no., or brand name. E-mail for further help. IF YOU ARE PURCHASING A NEEDLE Model numbers are provided in manufacturer’s references for the cartridge they installed in those models. If the cartridge has been changed by a dealer or user, this needle will not be correct for the model numbers listed, as it is the cartridge that determines what needle is needed. Be sure it looks like your old needle.