General description The CSPARKV 2pcs Angle Grinder Quick Clamping Nut is designed for quick and easy installation and removal of sanding discs and diamond cutting discs. Made from high-quality steel, this M14 quick-clamp nut features a self-locking lever that allows for tool-free operation, ensuring a secure fit during use. Technical specifications Material: High-quality steel Torque capacity: 40 Nm Maximum rotation speed: 12,000 rpm Interface: M14 Quantity: 2 pieces Compatibility and accessories Compatible with all angle grinders featuring an M14 interface Usage Before use, wipe the abrasive, spindle, and quick-clamping nut to prevent foreign matter from interfering with operation