High-quality aluminum: The aluminum threaded head is made of solid aluminum with a nylon thread, which is more wear-resistant and durable, has high strength, but low vibration to ensure a long service life. High efficiency: It is low vibration, wear-resistant, sturdy, and practically compact to ensure a long service life. It makes no noise that disturbs others and is suitable for most brush cutters. Easy installation: Easy to install and easy to use, with automatic threading. The trimmer head is automatically adjusted by tapping, so you can easily replace and use it. Wide range of applications: It is suitable for the universal trimmer heads of most lawn mowers, such as M12, M10, and M8. Suitable for many places, schools, villas, football fields, green spaces, sections, parks, etc.