The AllPoints Foodservice Parts & Supplies 221026 Gas Valve Knob is designed for durability and functionality in commercial kitchen environments. Made from robust black plastic, this knob features a 2-inch diameter and a mounting hole of .240 inches. Its unique design includes a center rectangle with an aluminum stripe, ensuring easy identification and operation. The knob is positioned for up/down functionality, making it an essential component for precise gas control in foodservice applications.