Made from high grade stainless steel with a 4mm thickness, and natural resistance for long lasting outdoor security Smooth sandblasted oxidized surfaces provides elegant touches, similar to premium electronics, while ensuring durability against wear and weather Features 3 preset holes (7.5 inch model) or 4 holes (9 inch model), allowing flexible positioning to fit various gate styles and post thicknesses Compatibility with sliding / swinging doors, double gate, fences, barns, sheds, garages, and more—ideal for gardens, driveway, stables, and patios Includes all necessary hardware for straightforward installation; simply aligns, marking drill points, and secure with 8 screws for reliability protecting, Manufacturer: Hsyzygian