Description  A Knob 2D, On/Off typically refers to a 2-inch diameter (2D) replacement rotary control knob used for commercial food service equipment, featuring a simple two-position setting. Features Dimensions: Standard 2-inch (2D) face diameter, providing a large surface area for easy handling, even with wet or greasy hands. Mounting Interface: Stem Size: Typically fits a 1/4″ (.240″) or .190″ shaft. Fit Type: Often features a “D” stem or “flat”…