Aquaterior 3' Vessel Sink Mounting Ring joints the bottom of basin & countertop to avoid water leakage Sleek Modern Design - With sleek polished chrome finish to match modern-styled sink & faucet Durable Material - Solid chrome-plated ABS for abrasion & oxidation resistance Easy & Fast Installation - Position mounting ring over drain opening & place sink onto the ring Universal Compatibility - Fits most countertop ceramic bowl basins or glass vessel sinks with rounded bottom & 1 3/4' dia. drain hole