Outstanding longevity retains sharpness and smoothness for manyshaves. Hi stainless platinum coated blades. Highest qualityJapanese blades made to fit different double edge safety razors. The sharpest double edge razor blades on the market. Extremely Sharp, Smooth and Comfortable Hi-Stainless Platinum Coated Blades. Includes 2 packs of 5 blades for a total of 10 blades.