Replaces needles: Audio Technica ATN-771; Dual DN-441; Sanyo Fisher ST-100; Sony ND-137G Used in cartridges: Audio Technica AT771; Dual DMS-210, DMS-240, DMS-242E, SONY VL-37G Used in the following Sony models: 70, 7250, PS-230, PS230, PS-333, PS333, PS-242, PS242, PS-333, PS333, PS-333, PS333, PS-434, PS434, PS-434, PS434, PS-T22, PST22, PS-T23, PST23, PS-T33, PST33, PS-X33, PSX33, SZ600, ZR250, Z-400, Z-600, ZR-220, ZR-250, ZR400