The Perma-Sharp Single Edge Razor Blades are made by industry leaders Gillette in their hallowed Russian factory. One of the most popular brands among barbers, these blades are designed specifically for cut-throat style shavettes that have seen renewed popularity in recent years. In comparison to the company's cartridge based output, these single edge blades offer a value that can't be ignored. Perma-Sharp Single Edge Razor Blades eradicate the time consuming and awkward task that previously required double edge blades to be snapped in half in order to fit shavette razors. Boasting the title of the sharpest single edge razor blades on the market, Perma-Sharp utilise the very best of Gillette’s knowledge and expertise to deliver a smooth and reliable shave every time. Perma-Sharp Single Edge Razor Blades are fit for use with all cut throat/shavette style razors.