3mm magnetic reader head magnetic head,magnetic read head 1 track, 2 tracks, 3 tracks are in stock mix order available!! 3MM magnetic reader headmagnetic head,magnetic read head 1 Track Header: 3*3*3mm2 Tracks Header 3*3*8mm3 Tracks Header 3*3*11.8mmProducts are in stock, Mix order acceptable!!Better discounts for bulk order!! InductancemH30DC Resitanceohm180Recording DensityBPI210Tape SpeedIPS7. ...