Énuts Quick release: É quick release with M14 thread for quickly attaching and loosening discs. cutting diamonds, grinding wheels, grinding wheels and other accessories. Non-slip design: The underside has a fine matte texture so that the nut locks washer firmly in place without slipping. Wipe the abrasive, spindle and nut clean. quick release before use to prevent foreign objects do not get stuck. Material: Made; alloy high strength, works with high resistance without deformation, withstands torque of 40 Nm and at a high speed of 12000 rpm, which leads to a longer service life. Compatibility: suitable for; all M14 interface angle grinders available on the market; suitable for; most types of hard disks cutting diamonds, grinding wheels, cup wheels, diamond plates, etc. Attention: please check the nut before use to avoid a safety accident, to make sure it is not broken. or damaged. Fits perfectly,Powerful product and super fast delivery! SDS Clic M14 quick release clamp for angle