All Derby razor blades are manufactured from stainless razor blade steel strip imported from Sweden and are perforated, hardened and ground by utilizing most advanced equipment.The blade cutting edges are deposited with CHROMIUM- CERAMIC, TUNGSTEN AND PLATINUM by advanced spluttering equipment for optimum EDGE STRENGTH giving longer shaving life. \n \nDerby razor blades are coated with a polymer for optimum SHAVING COMFORT. From beginning to end, and are subjected to severe Quality Control Inspection at every stage of manufacturing processes by utilization of unique quality control equipment. \n \n100 DERBY Professional Stainless Steel Single Edge Blades \nSuitable for all cut throat/shavette type razors including SHAVING FACTORY, DOVO, FOCUS, PARKER etc. \nThe packet includes 100 DERBY Professional blades individually  wrapped in wax paper \nYou don’t need to split double edge razor blades anymore!!! \nIdeal for professional barbers