Product Description
The Extended Sink Flange is required for sinks greater than 1 3/4" thick. The polished surface of this stainless steel flange will complement most stainless steel sinks. For more information, call the Answerline at 1-800-558-5700. Note: Use of abrasive cleaning solutions may harm this product's finish.
From the Manufacturer
Disclosures

Cancer and Reproductive Harm - P65Warnings.ca.gov
The Extended Sink Flange is required for sinks greater than 1 3/4" thick. The polished surface of this stainless steel flange will complement most stainless steel sinks. For more information, call the Answerline at 1-800-558-5700. Note: Use of abrasive cleaning solutions may harm this product's finish.