Description: 【High Precision】: This tool features a high precision slot that fits oil tube screw perfectly. Its 7/8MM open end design covers over 99% of hydraulic disc brake specifications for mountain and road bikes, ensuring compatibility and ease of use 【Fit for Torque Wrench】: Designed to be used with a 1/4 torque wrench, this tool provides accurate torque application, significantly reducing the risk of screw or damaging bike components during maintenance 【Open End Design】: The innovative pentagon design offers more edges for even force distribution across the screw, minimizing the risk of slippage and ensuring secure fastening without damaging the screw threads 【Sturdy Construction】: Made from steel, this tool is built to withstand heavy use while maintaining its shape and effectiveness over time, providing long time reliability for all your bike maintenance needs 【Compact Size for Easy Handling】: With dimensions of 98*14*5mm, this wrench is compact yet effective, making it easy to handle and store in your toolkit or carry along on rides for quick adjustments when needed Specification: Material: Steel Size Chart: 9.8cmx1.4cmx0.5cm/3.86inchx0.55inchx0.20inch Package Includes: 1 Bike Disc Brake Cable Wrench Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.