The Star Mfg 2R-45613 Thermostat Knob is designed to provide precise temperature control and easy adjustment for commercial kitchen equipment parts. This 2-1/2" diameter knob features clear settings labeled OFF, LO, numbered levels 2 through 8, HI, and Preheat, allowing operators to quickly select the desired heat range for efficient cooking performance. Built with a durable 3/16" D-s... https://partsfe.com/knob-for-star-part-2r-45613