Westinghouse On/Off Knob a practical solution for replacing worn or damaged knobs on your appliances. These black knobs come with 1/2" extensions and feature tapped 4/36 female by 4/36 male threading, ensuring a secure fit. Each package includes two knobs conveniently carded for easy use. Designed with quality and durability in mind, these knobs provide a straightforward way to maintain your equipment's functionality and appearance. Model Number: 70161