Astra SP. Cheap, sharp, smooth from the first shave, long lasting, and they don't seem to get rough, just less efficient after about the 7th or 8th shave.
This should get you in the ball park if thinking of testing some. I like all the ones that are Sharp & smooth.
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Thanks, I made it up to express my blades I use on a another Forum and I find it easy to look at myself and for others who are learning or folks just thinking of a different blade to try.I think your chart is great !
Ron