The AllPoints Foodservice Parts & Supplies 221344 Control Knob & Dial is designed for precise temperature control in foodservice equipment. Featuring a thermostat dial plate with an outer diameter of 3-3/16 inches and an inner diameter of 1/4 inch, this component ensures accurate readings within a temperature range of 280°F to 360°F. Its durable construction guarantees reliable performance, making it an essential part for maintaining optimal cooking conditions.