TCR Blades 40mm long suitable for cutting and shaving. Optimized cutting edge geometry for more durability and sharpness. Stainless, hardened special steel with triple-treatment. Chrome-nitrate-platinum sealing with teflon layer for optimum gliding quality. Blades snap in half so you get two blades for the price of one. Blades come packaged in a carton of 100 (10 individual packages of 10).