I have had the da Vinci 290 for several years now. Every time I use it I am amazed at the quality of the construction and how well it makes lather and how luxurious it feels on my face and head. It has never shed a hair and after years of use looks as good as when I purchased it.
The knot is 25mm.
I have been a big fan of the Gillette Russian Yellows and Personnas Reds. I have tried over 20 different DE razor blades but nothing I have tried compares to these blades: they have given me the closest, long lasting, and smoothest shaves ever.
The blades come in blue packaging. If you buy the medical prep blades that are made for hospitals they will state "for hospital use" on the blade. If you buy them from a lab supply company, the blades will say "Super." However, the blades...