High-quality materials: The aluminum trimmer head is made of high-quality aluminum, which is wear-resistant and durable, and has a longer service life. The wire is made of high-quality nylon, which is sharper and more durable. More convenient for weeding: The grass trimmer line head adopts a double-thread design, used for trimming and thinning, it is a multifunctional garden tool. It is suitable for slopes, corners, and other hard-to-reach places. clean, with more flexible weeding ability. Easy to use: We provide a complete mowing tool kit, including installation tools and installation parts. The installation steps are simple, you can assemble it yourself to save labor costs. General size: The trimmer head size of the brush cutter is: 45 x 59mm, the wire diameter is 2.4mm, the size fits perfectly and is not easy to fall off. The nylon wire is easy to replace, making your work much easier. Wide Application: Suitable for all common left-hand thread brush cutters and electric brush