Fits most HSS Stratocaster models,including most American, American Standard, Hot Rod, American Deluxe, Lonestar, Fat Strat, Standard, Deluxe and Classic Series '70s models. For Humbucking pickups, it will fit two or three mounting screws holes. Some modification may be required for correct mounting. 11 mounting-screw holes, made by plastic. Double layers protective films on the top.