Professional Watch Repair Kit, Adjustable Watch Back Case Opener with 5 in 1 Precision Screwdriver Sets, 3 Point Wrench Screw Case Remover Tool with 18 pcs Teeth, Battery Replacement Tool, Blue - AOESIN, AOE-WR20102

• 【ADJUSTABLE WATCH CASE OPENER】Made of durable material, the upgraded adjustable case opener with 6 models of adjustable case opener pins is suitable for 18mm to 37mm watches. That makes it easy to open multi-slot watches screw back and other types of watches. It has a variety of interchangeable pins to fit different watch types. 【TIPS FOR USE】 First, clamp the watch in your case holder (if you have). Then use the right teeth that suits your case back. Line up one tooth in the chanel and adjust the thumb button for the 2nd tooth until it engages. Continue engaging the 3rd tooth. After all 3 teeth are perfectly positioned, twist the tool like a wrench to release the case back. Finally you can easily unscrew the cap by fingers. 【5 in 1 PROFESSIONAL SCREWDRIVER】The screwdriver with 5 bits can be used for the screw-locked watch cover and internal movement removal. It includes slot 1.5, phillips 1.5, torx T5, torx T6, star 0.8 to fit most needs. 【MATERIAL&DESIGN】The handle is made of aluminum alloy, which is light and portable. The bits are made of high-quality S2 material, more sturdy and durable. Non-slip handle design and moderate size make it easy to use and keep high work efficiency. The rotating cap can be pulled out and you will find the 5 bits inside. 【APPLICATIONS】Not only for watch repair, battery replacements, but also applicated for Iphone, Laptop, Electronics, Jewelry, eye glasses, X-box, PS4 repair and more.