4Pcs Watch Opener Die Set, Watch Back Case Remover Tool, Multi - Size Aluminum Alloy Dies for 40 44 45 47mm Watch Repair, Durable Polygon Removal Kit

Item Type: Watch Opener Die Material: Aluminum alloy Specifications: Approx. 40mm / 1.6in 44mm / 1.7in 45mm / 1.8in 47mm / 1.9in Purpose: Open the watch cover Package List： 4 x Watch Opener Die

• Precision Fit Design: This watch opener die set features precisely engineered polygon shapes that securely grip the notches on 40mm, 44mm, 45mm, and 47mm watch backs, ensuring smooth and scratch- opening without slipping during delicate repair work.
• Heavy-Duty Aluminum Alloy: Made from high-quality aluminum alloy, each watch case remover die resists bending and deformation even under repeated torque, offering long-lasting performance for both hobbyists and professional watchmakers.
• Versatile Repair Solution: Ideal for DIY enthusiasts, jewelers, and technicians, this watch back case remover tool simplifies battery replacement, movement servicing, and internal cleaning across a wide range of smartwatches and mechanical timepieces.
• Ergonomic & Reliable Build: The stable structure and smooth edges of these watch repair tools prevent damage to watch casings while providing comfortable handling, making intricate repairs and more efficient with reduced risk of user error.
• Complete 4-Piece Replacement Kit: Includes four essential watch opener dies in the most common sizes, giving you all the necessary tools for frequent repairs or replacements—no need to buy extras, saving time and cost over the long term.