The AllPoints Foodservice Parts & Supplies 221080 is a high-quality dial designed for precise temperature control in various commercial kitchen equipment. With a diameter of 2-1/2 inches and a temperature range of 150-500°F, this dial is ideal for use with FD type gas thermostats. It features a flat down mount with a .290" fitting, ensuring easy installation and compatibility with a wide range of models, including Blodgett, Montague, Southbend, and Vulcan ovens. This durable and reliable part enhances the performance of your cooking equipment, providing accurate temperature settings for optimal cooking results.