The Vulcan Hart VH719255-00012 Knob Red with Set Screw provides a secure control point for operating compatible commercial cooking equipment. This replacement knob is designed to fit onto the equipment’s control shaft, with the included set screw helping secure it in place during operation. When the knob is turned, it transfers the operator’s input to the connected control mechanism, ... https://partsfe.ca/vh719255-00012-vulcan-hart-knob-onoff-red-w-set-scrw