The Star Mfg 2R-40498 Grey & Silver Thermostat Dial, available at PartsFe copyright, is a replacement control knob for Star Manufacturing equipment, likely griddles, fryers, or other cooking appliances. This dial allows users to easily adjust and set the desired temperature for precise cooking control. https://partsfe.ca/dial2-38-d-off-hi-8-2-for-star-part-2r-40498