【Advantage】- The universal lawn mower gearbox blade nut fastener kit has exquisite workmanship, good wear resistance, stable performance, high reliability, easy installation. 【Material】- Made of high quality metal, it is sturdy, durable, has a long service life and high reliability. Universal, suitable for most trimmers. 【Easy to Use】 - Use this attachment kit to fix the trimmer blade in the rotating position. They are a replacement to replace the head of your brush cutter gearbox. 【Application】- The trimmer gearbox blade nut fixing kit is ideal for lawn mowers, brush cutters, grinders, etc. Due to factors such as manual measurement and display differences, there may be slight differences between individual products and images, please forgive me .