【UNIVERSAL REPLACEMENTS】These universal threaded blade nut replacements fit various trimmers with M10x1.25 left-hand thread. It is very practical trimmers, brush cutter accessories 【STURDY AND DURABLE】This M10x1.25 left-hand thread blade nut is made of premium metal material, with high hardness, strength high strength, long durability and long service life. 【GREAT REPLACEMENT】This universal brush cutter attachment is great replacement for your old or damaged blade nut, and it can match the original one perfectly , very convenient to replace. 【EASY TO INSTALL】 These brush cutter accessories are convenient and easy to install, without complicated processes. Make your work more efficient. A good choice for gardening and agriculture.