The Frigidaire 318196634 Surface Unit Knob for Range provides reliable control over the cooktop burner settings for everyday cooking. This replacement surface unit knob is designed to fit the control shaft of compatible ranges, allowing users to adjust the heat level of the surface element with ease. It works by turning the connected control switch to select the desired temperature or burner setting, enabling accurate operation during cooking. Replacing a worn, cracked, or missing knob can restore smooth control of the cooktop, improve ease of use, maintain the range’s original appearance, and support dependable cooking performance.