The Frigidaire 318242221 Top Burner Control Knob provides precise adjustment of burner settings on compatible ranges. This replacement knob fits onto the burner control shaft and turns the corresponding valve or switch to regulate the heat level of the selected surface burner. Clear setting indicators allow users to select the desired temperature range for cooking tasks such as simmer... https://www.partsmelange.ca/frigidaire-318242221-top-burner-control-knob-for-range