This tool was designed to remove Snap-on case backs with ease.
It can also be used to remove some bezels and remove pins from bracelet links.
It is made to allow precise snap-on adjusting and the holder is made of non-skid Delrin mounted on a spring for support that will
not damag   e the watch case.
It has a perfectly parallel carriage that is mounted on the two guides that allow you to open the case back.
The guides come with hardened steel blade in 2 mm 
The handle is completely ergonomic to make your job more comfortable.
Can open to 50mm watch case
Open to 43mm watch band