The electric cordless drill switch offers adjustable speed and easy operation. You can simply press the switch to start, and the speed responds to trigger pressure—the lower you press, the faster the speed. This drilling speed trigger is easy to mount on an electric hand drill and can be quickly locked onto the drill switch for convenient one-handed use. The drill switch is an easy-to-operate replacement option. Trigger the switch to operate, and it can be mounted on the power tool, making it suitable for replacing old or damaged drills. This drilling speed controller is equipped with a small lighting lamp to assist you, and it can be used with hand drills or other power tools. Key attributes - Function: variable speed control via trigger - Compatibility: fits hand drills and power tools - Size: compact and easy to integrate - Performance: smooth triggering and reliable operation Use scenarios - Assembling furniture or cabinetry where controlled starts help prevent bit slip - Woodworking or metal drilling that requires precise speed control - Replacing worn or damaged switches to extend the life of a drill or power tool