For quick fixing and loosening of discs and grinding wheels without wrench Beautiful finishes: The bottom has a slightly matte texture to increase friction. The nut can lock the grinding wheel firmly and does not slip easily Premium material: This angle grinder clamping nut is made of high strength alloy material that does not deform and can withstand a torque of 40 N and a high speed of 12,000 U.min. Its quality is guaranteed and its service life is long Quick release nut with M14 thread for Bosch, Black Decker, Dewalt, Flex, Hitachi, Metabo, Makita and many other brands. Precise and simple saves a lot of time Why do you choose me? 1.The quick mounting nuts are made of high strength alloy material and can be used in high strength working environments. Br> 2.The quick-fitting nuts have a good matte texture to reduce the risk of injury when pushing the nut. Br> 3.Compared to conventional nuts, it has a quick-lock structure, and can be used to tighten screws with bare hands. Br> 4.The