Replacement Phonograph needle/stylus, 636-D7, Piezo Y930, Y940, Y945, YM101, YM102, Sansui SN23, ST10, ST-10, SN-10 SN-10M CEC C2, Chuo Denki C2, Micro Seiki C2, M207, Mitsubishi 3D-23M, 3D-24M. Used in: Sansui SU-10 SV10A and more. Tip: .7 mil diamond. Tracking force: 1-1/2 to 3 grams. Speeds: 33 & 45 RPM. House packaged. New old stock. HN Search my store titles and descriptions. Enter your 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.