100 Double edge razor blades Derby Premium Derby Premium are the new razor blades (for safety razors and shavette razors) produced by Derby Tokai.Derby Premium black razor blades build on the experience gained over decades of using the company’s other razor blades but break new ground by using Swedish steel and eliminating the risk of blade failure. High performance razor blades, Derby Premium black are the new point of arrival for Derby, sweet, perfectly sharp and with excellent durability. They do not scratch and do not irritate the skin. Excellent value for money razor blades. Manufacturer:AzmusebatIstanbul (Turkey) Quantity of razor blades in each package:20x5 individually wrapped razor blades in waxed paper. (100 blades total)