Set of 20 sill plate screws in stainless steel. Enough screws for the inner and outer door jamb sills on the right and left sides of the car. Will fit Datsun 240Z, 260Z and 280Z, 1970-78. The outer aluminum plate requires six screws per side and the black inner plate requires three screws per side, total of 18 screws so you will have two extra.