The AllPoints Foodservice Parts & Supplies 8011221 Thermostat Knob is designed for precise temperature control in various electrical applications. With a diameter of 2 inches, this knob features a 3/16-inch D-stem that allows for easy installation and compatibility with a range of equipment. The temperature range is marked from Off to 450°F, ensuring reliable performance for your foodservice needs. Its flat down design provides a secure grip for effortless adjustments, making it an essential component for maintaining optimal cooking conditions.