The AllPoints Foodservice Parts & Supplies 8001763 Thermostat Knob Guard is designed to enhance the safety and functionality of your hot and cold food wells. Constructed from durable black steel, this knob guard measures 1" x 2-1/2" x 1-7/8", providing a robust barrier that protects thermostat knobs from accidental adjustments. Its sturdy design ensures long-lasting performance, making it an essential accessory for maintaining optimal food temperatures in commercial foodservice environments.