【High-quality material】This blade nut is made of high-quality material, which is wear-resistant and corrosion-resistant, and can be used forever! Stable, not shaking, not easy to be damaged by collision. A good product can extend the service life of the product. 【Wide Compatibility Universal Anti-Thread Screw Trimmer Head 【Perfect Replacement】The blade nut is a replacement perfect for old or damaged ones, 100% brand new, package includes: 1 * nut. 【Easy Installation】The blade nut is easy to install, easy to use, easy to carry, saves time and money, and is simple to apply. The blade nut size is 2211mm/0.870.43inch. 【Widely Used】The blade nut is suitable for anti-thread screw brush cutter work head, c is a practical accessory for the irrigation timer, lawn mower and brush cutter.