100 individually-wrapped half blades PTFE (a.k.a. Teflon) coated Extremely sharp! Provide an exceptionally smooth shave These razor blades are designed for a perfect fit every time - they ensure that the exact and precise blade exposure is achieved when these blades are used in straight edge barber razors or -shavette- type razors. These stainless steel blades are extremely sharp and durable. They are PTFE (a.k.a. Teflon) coated to ensure a smooth shave and a long-lasting blade. (Do not wipe these blades dry after use as doing so will remove the PTFE coating.) The Perma-Sharp Half Blades have quickly become a favorite of our Barbershops! You will wonder why you never used them before especially if you have been splitting double edge blades. Each box comes with 100 individually wrapped Perma-Sharp 1/2 blades. These are universally renowned for being long lasting exceptionally smooth and very sharp. If you use a straight edge razor that accepts half a double edge blade this professional product is for you. There is no finer blade manufactured for straight edge razors/shavers.