Kasho Hair Styling Scissors are manufactured of special high-carbon stainless steel alloy which has superior resistance to corrosion and wear. The steel is variously compounded with Molydbenum, vanadium, cobalt and other elements to achieve state-of-the-art characteristics. Kasho's advanced heat treatment and sub-zero quench techniques assure long-term blade sharpness and durability. Ceramic Series The new Kasho Ceramic embodies modern manufacturing processes and masterful accuracy. The incredible sharpness and durability, together with trouble-free operation undoubtedly sets new standards in professional quality and cutting experience. The flat screw system with integrated ball bearing guarantees a silky smooth operation. The highly ergonomic shape, complete with finger rest provides comfortable handling for creative freedom. The convex and hollow ground blades are made of a wear resistant, durable stainless steel alloy, (ATS314), which is carefully honed and finely mirror polished. The fine zirconium ceramic insert is produced by Kyocera, the world renowned manufacturer of ceramic material. Ceramic is not resistant to ultraviolet rays used for sterilization.