Watch Press Back Case Closer with 20 Dies, Crystal Punch Tool Set, Case Fastener Repair Tool, Bench Watchmaker Tool for Professional Watch Repairs Shops

• 【Watch Back Case Press】: Both upper and lower parts are M6 threads, compatible with 5500A / 5500C,with 20 dies, very suitable for closing the case after resizing or repair work. This is a professional watch repair tool, whether you are a professional or an amateur, don't miss it
• 【Precision Control, Easy to use】: This watch press applies pressure by tightening the top handle, which means you can fully control the pressure used, and you can use enough pressure to install the crystal or the back of the case. Precise force control allows you to work better and brings you a comfortable experience
• 【Ideal Watch Repair Tool】: The easy-to-use design helps to compress the crystal and mold of the watch without risking any risk of being caught on your hand and watch. With it, you can easily repair and maintain the watch, the method of use is simple, and it will bring you a different experience
• 【Strong and Stable】: Our crystal press watch has a stainless steel and aluminum case, which can remain stable during the fixing process of the watch without shaking. Make sure you use it smoothly when you work, without shaking, and its sturdy structure makes it more durable, long service life, reliable, and worth buying
• 【Size (MM)】: Round: 18/20, 21/23, 24/26, 28/30, 31/32, 33/34, 36/38, 40/42, 43/45, 48/50; 2 round molds: 16/16, 20/25; square size: 20, 25, 30, 35, 40, 45; shield size: 37, 45

This watch back press tool set comes with 20 dies from 18mm to 50mm, fits for different sizes of watches. Super compression spring ensures longer service life. Ideal watch back closer for replacing batteries or repairing watch. Specification: Material: Stainless Steel + Aluminium Color: Shown As Pictures Press Tool Size: Approx. 12 * 10 * 20cm / 4.72 * 3.94 * 7.87inch Round Size: 18/20 21/23 24/26 28/30 31/32 33/34 36/38 40/42 43/45 48/50 2 Round Dies: 16/16 20/25mm Square Size: 20 25 30 35 40 45mm Shield Size: 37 45mm Weight: 1620g Type: Repair Tools & Kits Package List: 1 * Watch Press Tool 20 * Dies Note: The measurement error is about 2 mm, thank you for your understanding. There is an error in the size of manual measurement, thank you for your understanding. Instructions: 1. Choose a die which is bigger than the watch crystal and install it at screw-socket of under pliers. 2. Choose other die which is smaller than the rear cover and install it at screw-socket of up pliers. 3. Put a watch crystal adown at the under die and put the rear cover at a suitable position. 4. Lightly press down. 5. Putting a cloth under the watch crystal will protect the watch crystal.