Quick Release Nuts: Quick release nuts with M14 thread for quickly attaching and loosening diamond cutting discs, grinding wheels, grinding wheels and other accessories. Anti-slip Design: The bottom has a fine matte texture so that the nut locks the washer firmly in place without slipping. Wipe the abrasive, spindle and quick release nut clean before use to prevent foreign objects from getting caught. Material: Made of high-strength alloy, works with high strength without deformation, withstands 40Nm torque and 12000rpm high speed, resulting in a longer service life. Compatibility: Suitable for all M14 interface angle grinders available on the market; Suitable for most types of diamond cutting discs, grinding wheels, cup wheels, diamond plates, etc. Attention: Please check the nut before use to avoid safety accident, to make sure it is not broken or damaged. Diameter 46.5 mm, Height 13.7 mm Perfect fit, Powerful product and super fast delivery Sophisticated design Ensure that the