Features: The 5700 Watch Case Opener with anti scratch protections, specially designed for screw in watch cases while preventing case damage during professional repairs. Crafted from steel and aluminum, this watchmaker tool comes with 12 interchangeable chucks and fixing accessories to securely handle various case sizes. Ideal for certified watchmakers, repair technicians, and horology enthusiasts seeking precisions tools for delicate maintenance of luxury timepieces. Perfect for workshop repairs, battery replacements, or back case adjustments on screw sealed watches in professional studios or home based watch servicing setups. The weighted metal base ensures stability during operation, while the ergonomic design allows controlled pressure application for easy watch case opening. Specifications: Component:Wood, Metal Size: Approx.26.5x14.5x30cm/10.43x5.71x11.81inch Quantity: 1 Pc Package Includes: 1Set Watch Case Opener note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color of the item.