The Southbend 9148-1 Black Indicator Knob provides accurate and dependable control for commercial cooking and heating equipment. Designed with a clear white arrow for easy visibility, this 1-7/8" knob features a 1/4" hole and two set screws to ensure a secure fit on the control shaft. It functions by allowing users to adjust and monitor temperature or operational settings with precisi... https://www.partsfe.co.uk/southbend-9148-1-black-indicator-knob-w-white-arrow-1-7-8