Non-Slip Design - The knurled on the side of the flange nut and on the base provides good grip and stability, can turn easily and lock the grinding disc firmly without slipping. EASY TO USE - Easily clamp and loosen the angle grinder attachment without tools, attach and remove the grinding disc quickly and easily, increase work efficiency. High-quality clamping nut - made of 45# steel, high hardness and no deformation, can withstand a torque of 40 Nm and a high speed of 12,000 rpm. M14 Mounting Thread Angle Grinder Flange Nut - Allows you to secure grinding discs or other grinding accessories to your angle grinder, compatible with most angle grinders with M14 spindles. QUICK RELEASE NUTS: perfect for quickly securing and loosening various grinding accessories such as circular saw blades, cup wheels, cutting discs, grinding discs, pot pans and plates., Weight: 0.24691773344 Pounds, Manufacturer: ximie