I thought the feathers were very sharp, but I get a great shave out of the green box astra blades. Astra blades are my go too with feathers second if I come across a good deal on them. I have to slow down a little more with the feather blades though. I get a weeks worth of head and face shaves out of a Astra blade before I change it out. and 100 blades for 9 bucks on amazon make it the perfect blade for me.

Eric

Eric