Accutec Personna Prep Blade. The blades are for both full body preps and surgical applications. They are recognized as one of the sharpest, most reliable blades in the industry. Utilizing innovative technology, each blade is carefully ground and honed, which ensures the sharpest possible shave. The cutting edges are also Comfort-Coated® for super smooth shaves. Made of high quality stainless steel. Provides the user with the added advantage of sharpness and edge retention characteristics, as well as corrosion resistance.