The AllPoints Foodservice Parts & Supplies 8009333 is a durable metal knob designed for precision control in various foodservice equipment. With a 2-1/2" outer diameter and a 1/4" D-stem, this knob features a flat down design and includes a set screw for secure attachment. It is compatible with a range of APW Wyott models, including GCB, GCRB, GGM, GHP, and HR series, ensuring versatility and ease of replacement. This knob enhances functionality and reliability in your kitchen equipment, making it an essential component for efficient foodservice operations.