The AllPoints Foodservice Parts & Supplies ITN221151 Control Knob is designed for durability and ease of use. Measuring 2.5 inches in diameter, this black plastic knob fits a .35-inch diameter 'D' stem, making it a versatile replacement for various foodservice equipment. Its robust construction ensures reliable performance, while the sleek design complements any appliance. Ideal for enhancing control and functionality in your kitchen setup.