BS 8V Replacement Switch for BS 10.8V and 12V Electric Tools Function and compatibility: This replacement switch is designed for BS 10.8V and 12V drills and other compatible tools. It replaces old or broken switches to restore reliable operation. Easy speed control: Start the drill by pressing the switch button; the speed increases as you press further, offering adjustable control for a range of applications. Easy installation and use: The switch has a compact size and a user friendly design that makes installation on an electric hand drill quick and straightforward. Key attributes and performance: Compact, compatible with BS 10.8V and 12V tools, designed to deliver reliable switching performance for operation. Use scenarios: Replacing a worn switch on a BS 10.8V drill in a home workshop to restore control for woodworking. Upgrading a 12V drill used for assembly tasks to achieve smoother acceleration during screwdriving and drilling. Servicing field tools to maintain consistent performance across BS 10.8V and 12V models.