The Wells 50259 Flat Down Thermostat Knob is a 2-3/8" diameter replacement control knob designed for compatible commercial cooking equipment, featuring an OFF to 450°F temperature range with a 200°F midpoint marking for accurate adjustments. Built to mount securely on a 0.187" shaft, it connects directly to the thermostat stem, allowing operators to regulate heat levels by simply rotating the knob to the desired setting. Its flat-down design ensures proper alignment and easy reading of temperature indicators. Durable and straightforward to install, this knob helps maintain consistent cooking performance and supports efficient kitchen operations.