This is an inexpensive kit and part of it broke the second time I used it.  That said, I paid less for the kit than I would have paid to have it done at the store!

It has many tools but no instructions for any of them so I watched YouTube videos to figure out what to do with what.  I see they sell replacement parts for the ones that break (probably recognition of how cheap their product is made) but buying the replacement parts is more expensive than buying an entire new kit.  Go figure.

Bottom line: I'd definitely buy it again to save the time and money it would take just to have a watch sized.  (The kit is half the price of one watch sizing.)