- Upgrade your drilling experience with our two-piece S2 Drill Chuck Key Replacement. Designed for hand drilling, this essential tool ensures you have the right key on hand for efficient work. - Compatibility Matters: This drill key is compatible with chucks featuring diameters of 10mm, 13mm, and 16mm, making it a versatile addition to your toolkit. - Precision Engineering: With 11 teeth ensuring a secure grip, you can trust that your drill bits will remain firmly in place during operation. - Tailored Fit: The outer diameters of the gear are 13mm, 18.5mm, and 21.5mm, giving you the flexibility to work with various drills effortlessly. Practical Applications: 1. Ideal for DIY enthusiasts who require a reliable key replacement while engaging in home improvement projects. 2. Perfect for professional contractors who need durable tools that can withstand daily use on job sites. 3. Useful for hobbyists working on intricate tasks that demand precision and consistent performance. Experience the difference that a quality drill chuck key can make in your projects. Enhance your drilling efficiency and ensure compatibility with various sizes to tackle any task that comes your way. Invest in reliability and work smarter with this essential drilling tool, designed for performance and ease of use.