Review on Crankbrothers M10 Multi-Tool with Protective Case by Mike Cooper

I really like the minimalistic design which includes a nice set of Allen sizes and 3 different types of screwdrivers. However, I was very disappointed when I first used it on my bike. One of the smaller sized hex wrenches (2.5mm) turns with little effort to loosen the nut: everything turns but does not loosen. In comparison, a well-known American product coped with this task without any problems and without twisting. If I can't trust him with a simple task, I don't want to rely on him to fix something important.