[High-Efficiency Cutting]This Steel Wire Grass Trimmer Head is designed to be lightweight, reduces the weight of the trimmer, less load for trimmers, extend lawn mower service life. The wire is more flexible and convenient during trimming, operates efficiently, and achieves the purpose of ing(Suitable for a 5.5 mm aperture) [Steel Wire Grass Trimmer Head]The Steel Wire Grass Trimmer Head is woven for extra strength and durability. Resistant to damage, it can easily tackle tough surfaces like concrete, rocks, and hard blocks, ensuring a long-lasting performance with delivering reliable, long-lasting performance [Effortless Installation] It fits electric trimmer with 5. 5mm(0.22 inch) bore size. Just place the brush head on the top bolt of your straight-shaft trimmer, secure it with nuts and other included accessories, and you're ready to go. The fast assembly and disassembly process save time and effort [Versatile Outdoor Applications]Ideal for a variety of outdoor tasks, this Steel Wire Grass Trimmer Head efficiently removes s from hard-to-reach corners, between bricks, sidewalks, and even sand and gravel. It also works well for clearing moss and rust, suitable for use in gardens, courtyards, and parking lots [ty Precautions]Each trimmer head undergoes strict quality and ty testing. Always wear protective gear-such as ty goggles and gloves-for operation during high-speed trimming. A little helper for spring controlCarbon Steel