Specification:
--Watch Case Opener--
Color: Blue
Size: 70mm x 28mm x 11mm
Adjust Range: 12mm – 57mm

--Watch Case Holder--
Color: Yellow
Size: 70mm x 46mm x 36mm
Adjust Range: up to 52mm

Features:
*High quality materials make the tool set last for years. They are waterproof and will not easily get rust or damaged.
*It may be way too expensive to pay a jeweler to replace the battery. Now with this easy-use watch tool set, you can do it yourself.
*Watch Repair holder tool with 4 hard adjustable plastic pins will minimize the risk of slipping and scratching of the back of the watch case. The tool vise may be mounted on a desk or work bench.
*The watch case holder tool can be set in different positions for different cases with different sizes, can hold the watch case up to 52mm in diameter.
*Simple to use and fully adjustable, it have adjustable tempered pins for easy use on water resistant cases.
*Note - This watch back opener is design for opening screw off watch back, not for other kind of watch back.

Package:
1 x Watch Back Case Opener
1 x Watch Case Holder

How to use:
-Preparation:
Turn the four white parts of the case holder before opening the watch, then turn the black button to lower the height.
-Step 1:
Place the reverse side of the watch into the yellow case holder, then install the four white parts according to the watch belt Roll the black knob can adjust the yellow holder to fix the whole watch according to the size of the watch.
-Step 2:
Roll the silver adjustment wheel of the blue dial to set the bit spacing in order to adjust the back shell width of the watch.
-Step3:
After installing the Watch Back Case Opener, try turning the cover. The cover can be opened successfully.

Note: This watch back opener is design for opening screw off watch back, not for other kind of watch back.