Pfanstiehl needle replaces the following Audio Technica needles: ATP-N1, ATP-N2, ATP-N3, ATP-N2, ATX-N1, ATX-N2, ATX-N3, ATX-N5, ATX-N11 ATXN11 . Used in Audio Technica cartridges: ATP-1, ATP-2, ATP-3 Professional Series cartridges. This also fits the Audio Technica Professional and Compass series: ATX1, ATX3E, ATX5E. Used in Audio-Technica AT-PL120 Turntables. Tip: Diamond. Tip Radius .4 x .7 Mil Eliptical. Tracking Force: 3-5 grams. Speeds: 33 7 45 RPM. Made in Switzerland. Pfanstiehl has been in the turntable needle business for over 90 years - longer than anyone else!. PLEASE NOTE: Make sure the needle that you are buying looks exactly like the one you are replacing, if the cartridge has been changed, the stylus may not fit. If you are unsure, please dont purchase