Brookmore Collection 20-In X 21-In Drop In 1-Hole Single Bowl Stainless Steel Bar / Prep Sink. The Brookmore Stainless Steel Sink Collection Will Create Something Truly Unique That Fits Both Prepping And Cleaning Needs. Made With High-Quality 18-Gauge Stainless Steel With A Rich Chromium Content That Helps Shield The Material From Corrosion And Prevents Bacterial Growth. This Sink Features The EZ Torque™ Simplified Fastener System That Lets You Quickly Drop And Drill Your Sink Into Place, Securely Locking The Sink To The Countertop. The Spacious 9" Deep Bowl Is Perfect For Soaking And Washing Stacks Of Dishes, And The Sound-Dampening System Goes To Work To Reduce The Noise Caused By A Garbage Disposal Or Running Water.