250K potentiometer, concentric stacked for Vintage '62 Jazz Bass®; Features Includes one solid-shaft potentiometer for volume and tone Concentric 250K/500K audio taper Mounting hardware not included Used for stacked volume controls on American Vintage '62 Jazz Bass®; and Acoustasonic Telecaster®;, and Nashville Power Telecaster®; guitars Will not work with push-on style control knobs; set screw mounting knobs only