Swan® Nero Granite Double Bowl Kitchen Sink 33" X 22" Is Made Of Quartz/granite Stone; Strong Enough To Withstand Kitchen Use And Continue To Maintain Its Beauty. Low Divider Provides The Functionality Of A Single Bowl With The Practicality Of A Double Bowl. Left Bowl Has A Capacity Of 8-1/2 Gal; Right Bowl Holds 2-1/4 Gal Until They Reach The Divider Height. Dual Mount Sink Design Can Be Dropped In Or Under-mounted In Most Countertop Materials Of Your Choice. Drains Are Offset Near The Back Of The Bowls To Optimize Workspace. Single Hole Drilled With 4 Additional Drill Points Underneath To Accommodate Most Faucet Styles. The Sink Is Designed To Withstand Temperatures Up To 392°f. Faucet And Standard-size Strainer Not Included.