Details Replacement blades for the Personna Pirouette Hair Shaper Razor Precision manufactured of the highest grade surgical stainless steel Tempered, sharpened and honed to exacting standards Personna Hair Shaper Blades are glide coated with a patented miracle polymer for unsurpassed smoothness and durability. They are great for shaping, feathering, sculpting and texturizing all kinds of hair. These are replacement blades for the Personna Pirouette Hair Shaper Razor.