Razor edge scissors, hairdressing razor edge scissors offer unrivalled durability and sharpness. Unique ranges of Barber razor edge scissors at unify Industries. We endeavor to bring innovation and precision into the hands of the industry professionals. We offer our barber convex razor edge cutting scissors made with AISI-420 Japanese Stainless Steel. Rockwell HRC 54-56. The shears with convex edge, designed to give you a clean, sharp cut. Slide cutting is best accomplished with a convex edge.