Material: The rosette is made of corrosion resistant 304 stainless steel. The fitting set contains no plastic parts Assembly: The door rosette set contains everything you need for assembly screws 5 year guarantee when installing rosette stainless steel AISI 304 on interior and exterior doors. One of the top priorities for Apecs is product quality control The door set is suitable for any door with a thickness of 38-50 mm (square pin 65 mm) Order options: Order options: 1. Toilet rosette, round/square, 2. PZ rosette round/square for cylinder key, 3. BB Round/Square Rosette for Beard Keys, Weight: 0.20282528104 Pounds, Manufacturer: 1