Razor Pit Original Razor Blade Sharpener works with all razor blades & gives you up to 150 shaves with one blade. Are you tired of expensive razor blades & uncomfortable shaves? With the patented Razor Pit & its friction technology you can remove the residues of hair & skin that makes your blade feel dull. Razor Pit makes your razor blade last for up to 150 shaves! It's just like shaving with a brand new blade every day. At the same time you save up to 90% on buying new razor blades. More than 600 million men use razor blades & throw billions of razor blades in the trash every year. But there is nothing wrong with the blades. They simply have to be cleaned. Production & destruction of razor blades create significant pollution & damage the environment. Razor Pit Original Razor Blade Sharpener reduces this pollution significantly. Razor Pit is made from recyclable materials that are also approved for use in the food industry. The technology has been known for decades. Like the barber used to "sharpen" his knife on a leather strap, Razorpit removes a coating of organicle materials, that sticks to the edge of the blade & makes them feel dull. A few strokes on the Razor Pit Original Razor Blade Sharpener cleans & sharpens the blades & prolongs the lifespan of your razor blades.