I don't know why there are so many "rave" reviews. Attached are photos of the flaws. In use 2 years. I'm thinking about buying new bits from another manufacturer. Metabo disappointed. I'm slowly moving to DeWALT.
Pros
Lots of different bits.
Cons
Very poor beat quality. Poor quality bit holders. These plastics broke off almost immediately. The latch on the case is also flimsy, made of cheap plastic.