Positives:
+ Pleasant handling by the rubber coating (slip resistant Anafassen)
+ Actually very good screws through the slight notches on the hexagon surfaces (the probability of some twisted screws for softer material actually falls noticeably)
+ Simple and easy to open holster with size indicating the respective keys
+ Nice color sorting
+ Absolutely reasonable price
+ 9 keys in sizes from 1.5 to 10
The whole tool is Made in Czech., So at least European.
Conclusion:
Those who want to acquire a solid hex key with all standard sizes at a bargain price for his hobby workshop will be well served with this set.