For quick attachment and release of discs and grinding wheels without the need for wrenches Beautiful Finishes: The underside has a lightly frosted texture to increase friction. The nut can lock the sanding disc tightly and not slip easily Premium Material: This angle grinder collet nut is made of high strength alloy material which does not deform, which supports a torque of 40 N and a high rotational speed of 12,000 rpm. Its quality is guaranteed and its service life is long Quick release nut with M14 thread for Bosch grinder, Black & Decker, Dewalt, Flex, Hitachi, Metabo, Makita and many other brands. Precise and easy saves a lot of time Why you choose me 1. Quick fit nuts are made of high strength alloy materials and can be used in high tensile working environments. 2. Quick fit nuts have a good matte texture to reduce the risk of injury by slipping the nut. 3. Compared with traditional nuts, it has a quick-locking structure and can be used to tighten bolts with bare hands. 4. The