Features 1,Perfect Design: These dies are specifically designed to open watch case backs without leaving any marks or scratches on the watch surface. They ensure a seamless watch repair experience. 2,Professional: These watch case opener dies are designed to be user friendly, making it effortless to open watch backs. They provide convenient assistance in accessing the inner mechanisms of watches. 3,Compact and Lightweight: With a small and lightweight design, these dies are highly portable and easy to carry. You can effortlessly bring them with you to any watch repair task, ensuring convenience and flexibility in your work. 4,Essential Tool: Watch case opener dies are a must have tool for watchmakers and repair workers. They facilitate the efficient and precise removal of watch backs, allowing for thorough maintenance and repairs. 5,Premium Materials: Crafted from steel, these dies are resistant to rust and built to last. You can rely on their durability for long term use in professional watchmaking and repair. Specification Item Type: Watch Case Opener Dies Material: Steel Four models: Approx. 34mm or 1.3in 35mm or 1.4in 36mm or 1.4in 38mm or 1.5in Package List 4 x Watch Case Opener Dies Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. YJL official store