General description The 6-Piece Overflow Ring set is designed to enhance the functionality and aesthetics of your sink. Made from durable ABS plastic and brass, these rings are available in chrome, black patina, and antique colors, providing a modern and shiny look that complements various sink styles. Technical specifications Outer diameter: approximately 30 mm (1.18 inches) Inner diameter: approximately 14 mm (0.55 inches) Height: approximately 14 mm (0.55 inches) Compatible with standard overflow holes of 23-25 mm Installation Easy to install: simply push in and click into place, no tools required For easier installation, apply a little soap to the faucet to help it slide in smoothly Usage Suitable for most types of sinks in homes, hotels, shopping malls, factories, and other locations Prevents clogging while providing a good grip without scratching the sink Other information Corrosion-resistant with excellent coating adhesion Provides gloss and luster to the surface