Features: Precise crafts watch repair tool with adjustable too design securely holds various watch case sizes for battery replacement and maintenance tasks. High strength alloy construction ensures longlasting stability during delicate watch repair operation without deformation. Great for craft enthusiasts and hobbyists performing home watch repair or battery change without professional assistance. Perfect for maintaining luxury timepiece or daily watches in home workshop, jewelry station, and professional watchmaking environment. Easy installation system enables quick setup and precise alignment, streamlining watch servicing workflows for enhanced efficiency. Specifications: Component: Metal Product Size: As pictures shown Package Includes: 1 Set Watch Case Opener Tool note: Please allow 0-1cm error due to manual measurement Due to the differences between different monitors, the picture may not reflect the actual color the item.