The Thunder Group ALST012 Steamer Basket/Boiler Set features a spacious 21" diameter and stands 25-1/2" tall, making it ideal for large cooking tasks. Constructed from durable aluminum, this set includes two perforated stacks for efficient steaming, a sturdy bottom for support, and a cover to retain heat and moisture. The 3/8" perforations ensure optimal steam circulation, while built-in handles on all sides of the compartments provide easy lifting and maneuvering. Perfect for restaurants and home kitchens alike, this steamer set enhances cooking efficiency and versatility.