The AllPoints Foodservice Parts & Supplies 221186 Control Knob & Dial is designed for precision and durability. Featuring a solid-state controller knob with a .25" D-stem, this component ensures reliable performance in various foodservice applications. Its robust construction allows for easy operation and long-lasting use, making it an essential part for maintaining optimal control in your equipment. Ideal for replacing worn or damaged knobs, it enhances functionality and user experience.