The AllPoints Foodservice Parts & Supplies 421059 Control Knob & Dial features an infinite control dial designed for precise temperature adjustments. It includes a 3/4" flat down stem with a .187" D-stem, ensuring compatibility with various equipment. This B style infinite control operates at 22% low, providing enhanced performance compared to standard 5% settings. The vertical palnut mount allows for easy installation and secure attachment. Designed for 120V applications, this control knob is ideal for foodservice equipment requiring reliable and adjustable temperature control.