The Black & Decker N498090 Trimmer Motor & Mount is a replacement drive component that powers the cutting mechanism of compatible trimmers. The motor converts electrical energy into rotational motion, allowing the trimmer head to operate during use, while the mounting component secures the motor within the tool assembly. Together, these components support the trimmer's intended operat... https://www.wholetoolbox.com/black-decker-n498090-trimmer-motor-mount/N498090.html