Compatibility: Fits USA & Mexican Fender 4-string Precision Bass including American Performer, Special, Highway, Standard, Professional I, Professional II, Professional Classic, Deluxe, Elite, Ultra, and Ultra Luxe models, as well as Mexican Standard, Player, Player II, Player II Modified, Player Plus, Contemporary, Modern Player, and Deluxe series. Not compatible with Squier Precision Bass or other types of Precision Bass. The back is equipped with EM shielding aluminum foil for effective electronic insulation
