The Montague 1979-8 Thermostat Knob provides a manual interface for selecting temperature settings on compatible convection ovens. Measuring 2-1/4 inches in diameter, it fits onto the thermostat control shaft to adjust the selected heat level. Its temperature markings, ranging from 200°F to 500°F, give operators a reference when setting oven temperatures for cooking tasks. The knob su... https://partsfe.com/dial2-14-d-500-200-for-montague-part-1979-8