The Vulcan Hart 00-428300-00001 Range Knob provides dependable control over compatible commercial range settings during daily cooking operations. Designed as a black 2-3/4-inch outside-diameter knob, it fits onto the range control shaft and allows operators to turn and adjust the corresponding burner or cooking setting. A properly fitted knob supports easier control and helps maintain... https://partsfe.com/knob-for-vulcan-part-00-428300-00001