High-Quality Material: The trimmer head is made of high-quality solid aluminum and has been derusted to resist corrosion, which which makes it more wear-resistant and durable, ensuring a long service life. The nylon cable is made of durable nylon with high cutting capacity, which can easily mow the lawn. Excellent Features: Shock-absorbing design. Low vibration, low noise, no noise pollution to others, the perfect accessory for lawn mower. Easy to Install: Easy to install and use. The trimmer head is equipped with an automatic threading function, the tap adjusts automatically, it is easy to replace and use. Practical Set: 1 x universal aluminum grass trimmer head with 4 threads. Suitable for large applications up to 30 cm in diameter, ideal for weeding, home, lawn, garden, etc. Wide Use: The grass trimmer head is suitable for most lawn mowers such as M12, M10 and M8. It is also suitable for many places of use, such as schools, parks, football fields, villas, mowing, green spaces, etc.