74-0002 Stainless Steel Surgical Prep Blades. Looking for an outstanding shaving blade? Look no further! Designed for surgeons to prep an area for surgery. These genuine Personna Double Edge Blades are made in the USA with high quality stainless steel. Only .004" thick, these DE blades are extremely sharp with a double honed edge. A coating is then added to the blade edge to provide a comfortable and smooth shave. Blades are individually wrapped in a box of 100 blades.