The Speed Queen 806597 Dryer Knob Assembly is a replacement control knob designed for select dryer models. It works by attaching to the control shaft, enabling users to turn and adjust cycle selections or operating settings with ease. Designed for proper fit and compatibility, this assembly replaces a worn, cracked, or missing knob to restore normal control of the appliance. Its durab... http://hcnkparts.com/806597-speed-queen-knob-assembly