Pfanstiehl Replacement Diamond Stylus Needle for Shure N-74E, N-75E, N-75ED; 4760-DE Used in Shure M-71, M-74, M-75, M-81 cartridge High quality Pfanstiehl needle manufactured in Switzerland Tip material: Polished elliptical diamond; Tip radius .0003 x .0007 Tracking force: 2 grams Speeds: 16, 33 & 45 RPM