The watch movement is equipped with auxiliary rod for seamless assembly; In order to provide a better maintenance experience, we aim to solve the problem of scratches and dust falling from the movement, and achieve exquisite maintenance. We have designed this accessory stick, and some craftsmen have better methods or have become accustomed to their own assembly methods. materials,good strength, wear resistance, and are difficult to generate debris to contaminate the movement. They are and 't scratch the clamping plate. The aluminum alloy pen body is also and easy to grip, making it very suitable for assembling movements! Note:Installation guide not included, we strongly recommend you professional installation. Please check as much as possible to make sure the item is what you need. Tips: The product may be updated constantly ,Due To Different Batches, The Actual Product May Have Slight Differences Or Color Differences, Which Does Not Affect Use colour: As Shown material: Plastic Package Contents: 1 x Watch Cleaning Stick Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.