Diamond needles last four times longer than sapphire needles. All Chinese needles are sapphire tips. China does not use elliptical tips, only conical. It is not cheaper to buy Chinese needles:
Sapphire..........80 to 100 hours play
Diamond LP.....800 to 1000 hours play Diamond Stereo...400 to 600 hours play
Record player needle Pfanstiehl 4749-D7/PR, 749-D7/PR, replaces Shure N17CM, NSM 224107. Used in Shure M17 cartridge. Two needles in one package. Tracking force: 3 to 5 grams. Manufactured in Switzerland. New.
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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.