Wilkinson Sword Hydro 5 Skin Protection Regular spare parts have been designed to protect against irritation. - 5 Ultra-Sliding Blades And Gel Reservoirs That Are Activated With Water For A Comfortable And Close Shave - Gel reservoirs are activated with water and hydrate with each stroke helping to prevent irritation - 5 Blades With Protective Bars That Smooth The Skin Surface To Prevent It From Getting Trapped Between Blades - The gel reservoir slides back to access even the most difficult areas such as under the nose - All hydro machines and spare parts are compatible with each other Product measurements: - Width: 9.6 cm - Height: 11.2 cm - Length: 1.9 cm - Weight: 0.024 kg