Replaces: N33-7 N77 N99D N17CM Used In: M33 M77 M77MD M99 M17 series cartridges Equivalent to these other universal replacement #’s: Astatic N656-7D 977D 3115D P2-307D W54STD NOTE: Because this needle is designed for use specifically with SHURE cartridges, it can be found in numerous brands of turntables. In some cases the cartridges for this needle may be original equipment supplied with a new turntable, but was also likely to have been selected at time of sale to complete a turntable sold without a cartridge or later as an upgrade to the original cartridge supplied by the turntable manufacturer. This needle should be matched primarily to the SHURE cartridge type not necessarily the turntable. SHURE NEEDLES N77 N17CM SHURE CARTRIDGES M17 M33-5 M77 M335 TRANSCRIBER NEEDLES PS63 PS66 PS604 PS605 PS611 PS614 RADIO SHACK, REALISTIC NEEDLES RS604 RS605 RS65 RS611 RS614