Set of 3 Floyd Rose Stainless Steel Tremolo Locking Nut Clamping Screws. These upgrade screws are made from corrosion resistant, heat treated stainless steel for increased strength and resistance to stripping and wear, perfect for parts that come in to contact with skin and sweat or that get adjusted frequently (when changing strings, tuning etc.). They will fit all Floyd Rose Original, 1000 Series, and Special series tremolo systems.