Elkay ESE2020100 0-Hole Gourmet 20-Inch x 20-Inch Single Basin Drop-In Stainless Steel Kitchen Sink This product is highly durable Easy to install Made in United states Highest quality sink formed of 20 gauge nickel bearing stainless steel Single Basin design provides maximum workspace Highest quality sink formed of 20 gauge nickel bearing stainless steel Single Basin design provides maximum workspace Drop In installation is great for an integrated and clean look in any kitchen Covered under Elkay's lifetime residential and 5 year commercial limited warranties Elkay stainless steel sinks are made in the USA