Using the Deltana 1 - inch diameter flat round screw cover is easy. Just place it over the screw you want to hide. Make sure it fits snugly. When installing, use common household tools. For best results, clean the surface where you'll place the cover before installation. As for maintenance, you can clean it with a soft, dry cloth regularly to keep it looking shiny. Avoid using harsh chemicals as they might damage the finish. If you notice any dirt or debris, gently wipe it off. This screw cover is made of solid brass, so it's durable, but handle it with care to prevent scratches.