The Vollrath 17012-1 Pointer Control Knob is a 3/4-inch diameter control component designed for compatible commercial foodservice equipment. Its pointer-style design provides a clear reference for selecting and adjusting equipment settings during routine operation. The knob can be used as a replacement when an existing control knob becomes worn, damaged, loose, or difficult to operate. https://partsfe.com/control-knob34-d-pointer-for-vollrath-part-17012-1