The Advance Tabco N-5-30 Detachable Drainboard measures 21" x 30" and is designed specifically for square corner sinks. Constructed from durable 18-gauge 430 stainless steel, this drainboard offers excellent resistance to corrosion and wear, ensuring long-lasting performance in any kitchen environment. Its detachable feature allows for easy cleaning and maintenance, making it a practical addition to your workspace. Ideal for enhancing efficiency, this drainboard provides a reliable surface for drying dishes and utensils.