The Wilkinson Sword Hydro 5 Razor Blades are usable with any Wilkinson Sword Hydro handle. Each of the five UltraGlide blades contains skin guards for a smooth skin. The gel reservoir of aloe vera and vitamin E lubricates the skin for an easy shaving. With the flip trimmer you avoid problems in hard to reach areas, and can individually shape your facial hair with very high precision. The package contains eight razor blades.