Product Description: Durable Construction: Made from quality 304 stainless steel for resistance to rust, corrosion, and wear, ensuring longlasting performance in your bathroom environment. Fit: Outer diameter measures 3.46 inches, inner hole diameter is 0.81 inches (20.6 mm). Please measure your shower arm before to ensure compatibility with the shower flange cover. Wide Compatibility: Designed to work with all types of showers, making it a versatile choice whether you are upgrading, replacing, or installing a fixture. Modern Style: Elegant matte black finish coordinates effortlessly with a variety of bathroom decor styles, from contemporary to classic. Easy Installation: Simple design allows quick fitting without the need for special tools, helping you achieve a clean and seamless look around your shower arm. Use Scenarios: Bathroom Remodels: Ideal for homeowners updating their shower setup with modern finishes, ensuring a clean and professional appearance. Installations: for contractors or DIY enthusiasts needing a reliable and attractive flange cover for shower arm installations. Replacements: Suitable as a direct replacement part for worn or outdated flange covers, restoring a neat and stylish look to your shower area.