Description: 【Precision Calibration for E Key System】: Specifically designed to enhance the stability of high notes, this flute repair tool addresses issues like unstable sound and pitch discrepancies in the third octave E note 【Compact and Delicate Design】: Featuring a fine tipped design, the flute e key adjustment wrench easily navigates complex key structures without damaging the instrument. The anti slip handle ensures a comfortable grip while protecting the flute's surface from scratches 【Efficiency in Tuning】: Ideal for both perform and repair technicians, this flute repairing tool streamlines the tuning process. Once adjusted, it ensures smoother E key linkage for seamless and uninterrupted play 【Sturdy Stainless Steel Construction】: Made from quality stainless steel, this flute e key adjustment tool is sturdy and lightweight, providing reliable performance without compromising on quality or durability 【Convenient Size and Packaging】: Measuring 10 cm/3.94 inch in length, it is easy to handle and store. Each package includes a flute E key wrench, making it a practical addition to any musician's toolkit or repair shop inventory Specification: Material: Stainless Steel Size Chart: Length: 10 cm/3.94 inch Package Includes: 1 Flute E Key Adjustment Wrench Note: Please allow slightly errors due to manual measurement and different monitors.