General description Sink Overflow Ring Round Sink Hole Overflow Cover Basin Trim Overflow Drain Plug Cover Insert Hole Replacement Parts (6 Pieces) are designed for easy installation and compatibility with various sink types. Made from durable ABS plastic with a chrome finish, these covers enhance the appearance of your sink while providing effective overflow protection. Technical specifications Outer diameter: 30 mm / 1.18 inches Inner diameter: 20 mm / 0.79 inches Height: 16 mm / 0.63 inches Compatible with standard overflow holes of 22-23 mm Installation Easy to install by pushing and clicking into place Applying soap can help slide the cover into position without damaging it Usage Suitable for most types of sinks in homes, hotels, shopping malls, and factories Check compatibility with your overflow hole diameter before purchasing