The Vulcan Hart VH428300-1 knob provides a convenient way to operate and adjust compatible commercial kitchen equipment. Designed in black, this replacement control knob features a 1/4-inch D-shaped stem and a 2-3/4-inch outside diameter to fit equipment with matching specifications. It works by attaching to the corresponding control shaft, allowing users to turn the knob to adjust se... https://partsfe.ca/vh428300-1-vulcan-hart-knob