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. Knurled nuts the wheel remains tight during operation, providing a secure fit. Grinder lock nut easily screws on or off with gentle finger pressure, eliminating the need for a special wrench. Suitable for various applications including cup wheels, cutting discs, and abrasive discs, making it ideal for metal cutting and polishing., Weight: 0.23479230903 pounds, Manufacturer: Aboiled