Astra Superior Platinum Double Edge 20 cartons of 5 piecesAstra Superior Platinum Double Edge 20 cartons of 5 pieces: featherless and ultra sharp, Astra Superior Platinum Double Edge Razor Blades offer an unprecedented shave for traditionalists everywhere. Made by Gillette for their demanding European market, the knives fit all double safety edge shavers. As such, they offer tremendous value when placed alongside its own cartridge blades and razors, delivering the same quality at a fraction of the cost.