1APPLICABLE OBJECT: Quick release nut is suitable for most types of diamond cutting pieces, sanding wheels, grinding wheels, diamond slabs, etc. 2WEAR RESISTANT MATERIAL: Angle grinder pressure plate is made of high strength alloy steel, possess high strength when working, not easy to deform, wear resistant 3WITH THREAD: The surface has a textured base and clear M14 thread, so that the nut can firmly lock the circular saw blade without slipping, ensure stability during work 4SUPPORT CW CCW: The quick disconnecting nut of the angle grinder can be easily tightened by turning CW and quickly loosened by turning CCW without a wrench 5PRACTICAL FUNCTIONS: With the help of the quick release nut, you can quickly fix groove and the quick locking system, the cutting discs can be easily changed without tools 1 xAngle Grinder Pressure Plate