Surgical blade: carbon steel, super carbon steel, stainless steel Surgical Blade / disposable surgical blade / medical suppliesEach blade is hallmarked. Available size no. are 10, 11, 12, 12B, 13, 14, 15, 15C, 16, 18, 19, 20, 21, 22, 23, 24, 25 and 36. Each blade is individual packed in aluminum foil. The blades are ultrasonically cleaned prior to packaging. It is sterilized by gamma radiation ...