Case Opener for Watch Case, Tool Rolex Oyster, Rustproof and Durable Repair Kit Set

Durable quality: Made of alloy steel, these watchmaking tools offer good rust and corrosion resistance for long-lasting use. Safe to use: Compared to the conventional repair method, these watchmaking tools are safer and reduce the risk of injury to the hands. Various sizes of chucks: With six different chucks (NO.0 φ18.50 mm, NO.1 φ20.20 mm, NO.2 φ22.50 mm, NO.3 φ26.50 mm, NO.4 φ28.30 mm, NO.5 φ29.50 mm), you can open different case sizes and therefore use it in many ways. Complete tool set: includes a wrench and six groove chucks that are extremely useful when repairing watches or replacing batteries in slotted housings. Easy to carry: Weighing only 0.4 kg, these watchmaking tools are lightweight enough to be taken anywhere. The included storage box not only keeps things tidy, but also protects the tools from wear and tear.