The AllPoints Foodservice Parts & Supplies 221139 Control Knob & Dial is designed for precise heat management in foodservice equipment. This heat control dial features a range of settings from 2 to 8, allowing for accurate temperature adjustments. With an outer diameter of 1-13/16 inches and an inner diameter of 1/4 inch, it fits a variety of applications. The included set screw ensures a secure attachment, enhancing durability and reliability in high-demand environments. Ideal for maintaining optimal cooking conditions, this control knob is a practical addition to your kitchen equipment.