Health & Beauty > Men > Shaving.Brand : Derby.100 Derby Professional Single Edge Razor Blades.Manufactured from stainless razor blade steel strip from Sweden hardened and ground by utilizing most advanced equipment all derby razor blades cutting edges are deposited with chromium ceramic, tungsten and platinum by advanced spluttering equipment for optimum edge strength thus longer shaving life.Fit all straight or barber razors (cut throat razors).The packet includes 100 Derby professional blades.You don't need to split double edge razor blades any more.