... contributes to the lubrication of the blades.the process flow for both cutting elements: Stamping, Molding, Heat Treatment, Polishing, ... the outlook, sharpness, brightness and smoothness are monitored for product testing.Performing real cutting test on hair is possible.The ... -resistant & extremely durable.2. Deadly sharpness & stay sharp for years.3. Easy to clean and prevent bacteria growth. Large ...