Basin/sink overflow black colour cover. Front of the insert is made from high quality brass with a hard wearing chrome finish. The clips are made from plastic for easy installation. Made to fit standard 19mm-23mm (7/8") overflow holes and designed to simply be pushed gently in to the hole and click in to place. No tools are required, just clips in.When bathroom basins are manufactured the overflow is left as an open, often roughly cast drain hole and however clean you manage to get it, it can look bare, unfinished and unattractive. Specification: - Black finish; - Made from quality brass; - Fits standard 21-25mm overflow holes: - Very easy to install;