- Durable Material: Crafted from high-quality 45# hardened steel, this tool is designed for long-lasting performance and reliability. - Specialized Tool: Specifically engineered for the installation and removal of chainring crank screws and M27 self-tapping screw covers on bicycles, making it an essential addition to any cyclist's toolkit. - Safety-First Design: Heat-treated and CNC-machined for superior hardness, the tool features beveled and rounded edges to minimize the risk of hand injuries during use. - Lightweight and Portable: Weighing approximately 72 grams, this tool is easy to carry, ensuring you have it on hand whenever you need it. Use Scenarios: 1. Routine Maintenance: Ideal for regular bike maintenance, allowing you to quickly and easily replace crank screws and covers to keep your bike in optimal condition. 2. Emergency Repairs: Perfect for on-the-go fixes, this tool enables quick adjustments during rides, ensuring you can tackle unexpected issues without delay. 3. Compatibility: Designed to work seamlessly with a range of bicycle models, making it a versatile addition to any cyclist's equipment. This tool combines functionality and safety, ensuring you can perform maintenance tasks efficiently while protecting your hands.