Fender Concentric 250K/500K Solid Shaft Potentiometer Package includes one concentric 250K/500K audio, solid shaft potentiometer Used for the stacked Volume and Tone controls on the American Vintage '62 Jazz Bass and Acoustasonic Tele, and Nashville Power Tele Top-quality potentiometers used on U.S. Fender instruments with 3/8" potentiometer shafts Does not include mounting hardware or capacitor Will not work with push-on style control knobs (set screw mounting knobs only)