The Vollrath/Idea-Medalie B401103 Rotary Switch is a component used in various commercial kitchen equipment.It features 1/4" tabs for easy wiring and a .198" plastic D-shaft for secure mounting.This rotary switch is designed for reliable control of electrical circuits in appliances such as ovens,grills, and other cooking equipment. https://partsfe.com/rotary-switch-for-vollrath-part-b401103