➤ Efficient Performance: Easily remove and install ratchet with this high-quality tool, designed for bike rear hub lock ring nut repair. ➤ Premium Quality: Made of chromium-vanadium steel, vacuum quenched for strength and for durability, ensuring long-lasting use. ➤ Wide Compatibility: Compatible with ratchet and other models, including 240S, 240, 340, 350, 440, and 540. A must-have for any bike enthusiast. ➤ User-Friendly Design: With an extended outer hexagon, this tool is easy to operate with a monkey wrench. Simply turn anticlockwise to loosen and clockwise to tighten. ➤ Satisfaction Guaranteed: We stand behind our product and offer 24-hour email support. If you encounter any issues, please contact us for a resolution.