Marketing is the titianium coating is. The blades may hold up, not sure yet. sharpness is Ok, not great but better than some. I also found that the blades are glued into the ferrule and then the "nut" fits behind them. Very hard to pull out. For 10 bucks a pack of three the price is nice, but they are made in china. Of course many of todays popular heads seem to come from overseas now.