Quick-release nuts: quick-release nuts with M14 thread for quick attachment and release of diamond cutting discs, pot washers, grinding wheels and other accessories. Non-slip design: The underside has a fine frosted texture so that the nut firmly locks the disc without slipping. Wipe off the abrasive, spindle and quick-release nut before use to prevent foreign matter from clinging. Material: Made of high-strength alloy, high strength without deformation, can withstand 40nm torque and 12000rpm high speed, which extends the service life. Compatibility: Suitable for all angle grinders with M14 interface available on the market and most types of diamond cutting discs, abrasive discs, pot discs, diamond plates, etc. Please Note: To avoid safety accident, please check the nut before use to make sure it is not defective or damaged. Diameter 49mm; height 13mm Product description Perfect fit, very efficient product, super fast delivery! The SDS Clic M14 quick release nut works great for all