California Faucets Cal Trim 9053, 9057 & 9061 Drains With Overflow are suitable for use with Oceana, Porcher or other glass sinks that have an overflow hole.

California Faucets Cal Trim 9054, 9058 & 9062 Drains Less Overflow are suitable for use with the following types of sinks that do not have an overflow hole: Oceana, Porcher and other glass sinks, Adagio or other granite, marble and onyx sinks, and Thompson Traders, Handcrafted Metal or other copper and thin-walled metal sinks.  NOTE: A Cal Trim 9066 spacer ring will also need to be used for copper and other thin-walled metal sinks without overflow holes.