General description Made from sturdy 45# steel, the CSPARKV 2Pcs M14 Quick Release Nut for Angle Grinder is designed for durability and long service life. This nut is engineered to withstand high-speed rotation without deformation, making it an essential accessory for your angle grinder. Technical specifications Material: 45# steel Outer diameter: 45mm / 1.77in Inner diameter: 14mm / 0.55in Thickness: 9mm Compatibility and accessories Compatible with all M14 angle grinders Suitable for circular saw blades, cup wheels, diamond cut-off wheels, grinding wheels, and diamond-cut plates Installation Quick and convenient installation and removal of grinding wheels Simply screw in and remove without the need for additional tools Usage Self-locking structure prevents slipping of the grinding wheel Allows for quick repairs in the cutting area