Its 3 progressively aligned blades guarantee you una a deep and comfortable shave. | Mach3 offers you una a perfect shave with una a single stroke. With the three precision blades, you get una a closer shave compared to disposable razors, while the 4 reinforcement layers help the blades be more resistant and last longer. Each blade is mounted on flexible guides that adapt to different shaving levels, pressure, and the curves of the face.