Precision Screw-Type Press Design: This tool uses a threaded lever mechanism to apply steady, controlled downward pressure, allowing for smooth and accurate opening and closing of watch back cases without sudden impact or shifting. Includes 7 Interchangeable Dies: The set comes with seven precision-machined dies in various sizes, designed to fit a wide range of round watch case diameters for secure and scratch-free contact during pressing. Targeted Use for Pry-Open Watch Cases: Specifically engineered for watch backs with a pry opening feature, ensuring proper alignment and even force distribution when reinstalling the case cover. Solid Metal Construction for Stability: Crafted from durable steel components, the opener provides a stable and wobble-free operation, giving you better control during detailed watch repair tasks. Compact Handheld Tool for Workbench Use: The compact screw-style body fits comfortably in hand and is ideal for benchtop repair work, offering a space-saving and portable solution for both hobbyists and experienced watchmakers. ASIN B08BL93Q93 Item Weight 1.19 pounds Part Number Zerone7g1kdvgshr Manufacturer Zerone Item model number Zerone7g1kdvgshr Batteries Included No Batteries Required No Product Dimensions 9.06 x 6.3 x 5.51 inches Item Package Quantity 1