The Rational 60.12.146 Oven Rack Shelf features hinging rack rails designed for the 10-full size Pro/Classic series. This shelf includes 10 rails, accommodating either 10 2/1GN pans or 10 pans measuring 25-5/8" x 20-7/8". With a spacing of 2-5/8", it ensures optimal airflow and heat distribution for even cooking. The marine version is built for durability and resistance to corrosion, making it ideal for various kitchen environments. Enhance your cooking efficiency with this reliable and versatile oven rack shelf.