Features 1、8 Assorted Molds: The watch suction cup opener holder kit comes with 8 different sized molds, suitable for various watches. The 8 accompanying molds fit all sizes of watch cases, making it easy to use and convenient for repairing different sized cases. 2、Practical Repair Tool: The case opener holder is suitable for most screw back watches, making it an ideal practical tool for watchmaking and watch repair. 3、Simple and Quick Operation: The watch suction cup opener holder with a rotating handle is convenient and labor saving. You can quickly open the watch back with ease. 4、Premium Materials: Made of premium flexible silicone and aluminum alloy, the watch repair tool is wear resistant, durable, and can be used for a long time. It is a perfect tool for replacing watch crystals and snap on case backs, ensuring convenience during use. 5、Easy to Use: The watch suction cup opener holder is specifically designed for opening watch backs and is a must have tool for repair personnel. It is easy to use, allowing you to quickly open the watch case for repair, saving your time and improving work efficiency. Specification Item Type: Watch Suction Cup Opener Tool Holder Material: Aluminum alloy, Silicone Applicable back cover diameter: 16mm / 0.6in, 20mm / 0.8in, 23mm / 0.9in, 26mm / 1in, 30mm / 1.2in, 34mm / 1.3in, 40mm / 1.6in, 45mm / 1.8in Package List 1 x Watch Suction Cup Opener Tool Holder8 x Mould