The Thunder Group ALST010 Steamer Basket/Boiler Set features a spacious 17" diameter and stands 21-1/2" tall, making it ideal for steaming a variety of foods. Constructed from durable aluminum, this set includes two perforated stacks for efficient steaming, a solid bottom for stability, 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 both home and commercial kitchens, this steamer set enhances cooking efficiency and versatility.