Strengths:
Shaving is perfect: fast, without cuts and without irritation;
The 5th blade is perfect for delicate areas (under the nose, under're favorites);
The blades rinse thoroughly with warm water;
One fear blade last for weeks before you have to change it.
Weakness:
The price a little high
In conclusion, this is an excellent product, including a low price is relative as to the quality and life of the blades