✓Easy to Use: The quick release nut of the angle grinder has a quick release locking structure, which can be tightened or loosened without a wrench or other tools. It is very simple and quick to use. ✓Quick Lock: Compared with conventional nuts, this clamping nut has a quick lock design and can be tightened with bare hands. Can be tightened firmly and not easily loosened ✓Premium Quality: M14 nuts are made of high-quality steel, with high strength, not easy to deform, and long service life. The grinding wheel can be locked firmly and not easy to slip. ✓Size:Angle grinders clamping nut with a diameter of 50mm, used for angle grinders and cutting machines with a 1200W speed of 11000rpm and a polishing disc diameter of 125. ✓Wide Application range: The M14 nut is suitable for all angle grinders with M14 interface on the market, suitable for DeWalt, Bosch, Makita, Metabo, Hilti, etc.