The AllPoints Foodservice Parts & Supplies 221336 Gas Valve Knob is designed for reliable performance in commercial kitchen equipment. With a diameter of 2-1/4 inches, this black knob features a .240-inch mount and a flat down design with a set screw for secure attachment. It is compatible with a variety of old-style round black knobs that include an indicator line. This part is suitable for use with multiple Vulcan models, including 148L, 160L, 260L, and more, ensuring versatility and ease of replacement in your kitchen setup. Enhance the functionality of your equipment with this durable and efficient gas valve knob.