This stainless steel sink strainer with drain assembly double cup is designed to fit openings ranging from 3-1/2" to 4 inches. It is a universal product that can be compatible with various brands and models of sinks. and a sturdy construction, this strainer is an essential accessory for keeping your sink area clean and free from clogs. Made in China, this durable and reliable strainer is a practical addition to any kitchen or bathroom.