Grinder lock nut easily screws on or off with gentle finger pressure, eliminating the need for a special wrench. Knurled nuts the wheel remains tight during operation, providing a secure fit. Made from high-quality carbon steel, offering superior strength and exceptional wear resistance for long-lasting performance. Efficient heat dissipation helps extend the lifespan of the grinder nuts, ensuring reliable use over time. Suitable for various applications including cup wheels, cutting discs, and abrasive discs, making it ideal for metal cutting and polishing. This grinder lock nut is designed for ease of use, allowing you to quickly and securely attach or detach grinding accessories without the hassle of traditional wrenches. Its construction ensures it can withstand the rigors of workshop projects, providing a reliable solution for all your grinding needs. Enjoy smooth and efficient performance with this essential tool. Color: As Shown Material: Carbon Steel Package Contents: 3pcs 5/8‑11 Angle Grinder Flange Nut Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.