The AllPoints Foodservice Parts & Supplies 221542 Control Knob & Dial is designed for precise temperature control in foodservice equipment. This cold temperature control knob features a durable black plastic construction, ensuring longevity and reliability. With a diameter of 13/16" and an outer diameter of 15/16", it fits seamlessly into various appliances, providing an easy-to-use interface for adjusting settings. Ideal for maintaining optimal performance in refrigeration units and other cold temperature applications.