Quick-release nut: Quick-release nut with M14 thread for quickly fixing and loosening diamond discs, cup-shaped grinding wheels, abrasive discs, and other accessories. Anti-slip design: The bottom has a fine frosted texture so that the nut locks the grinding disc without slipping. Please wipe the disc, spindle, and quick-release nut clean before use to prevent them from being stuck by foreign objects. Material: Made of high-strength alloy, running without deformation, can withstand 40N torque and 12,000 rpm. High speed, longer service life. Compatibility: Compatible with all M14 angle grinders on the market; Suitable for diamond cutting discs, abrasive discs, cup wheels, diamond pads and most other types of grinding discs. Release Nut 2 Ventvinal SDS Clic M14 Quick Release Nut for Angle Grinders This is the perfect accessory for all angle grinders and can be used for angle grinders from Bosch, Makita, Flex, AEG, Black Decker, Dewalt, Hitachi, Metabo and other brands. Ventvinal Quick