TOPS replacement knob is a perfect solution for broken or missing rotary knobs on virtually any appliance. These black knobs fit all shafts up to 1/4-inch in diameter and complement the appearance of any cookware. These dishwasher-safe knobs work on a variety of devices, such as toasters, blenders, radios, fans, heaters, coffeemakers, televisions, and much more! These plastic knobs are constructed of heat-resistant plastic with rustproof aluminum screws.