- [SIZE OPTIONS] Available in multiple sizes: 8mm, 10mm, 12mm, 14mm, and 17mm, ensuring you find the perfect fit for your machining requirements. - [MATERIAL DURABILITY] Made from high-quality carbon steel with a black oxidation finish, these keys are engineered for long-lasting performance, resisting wear and maintaining structural integrity even under demanding conditions. - [ANTI SLIP DESIGN] Features an embossed hand bar that guarantees a secure grip. This design minimizes slippage during high torque applications, enhancing safety and control. - [T HANDLE GRIP] The ergonomic T handle provides superior leverage, allowing for effortless tightening and loosening of the chuck. This feature ensures you can work efficiently and confidently. Use Scenarios: - Ideal for automotive repair, where precise torque is essential for securing components. - Perfect for DIY projects, offering reliability and ease of use for hobbyists and professionals alike. - Suitable for industrial applications, where durability and performance are critical for operational success.