The Magnum pump is easily the most innovative enlargement pump on the market today! The pumps chamber is made of durable clear plastic with a soft sleeve over the opening to product a comfortable and air tight fit when creating a vacuum. The Magnum pump has been fitted with a new and improved easy read safety vacuum gauge and a handle that generates the pressure at your most comfortable pressure. Use the Magnum Pump to enlarge your penis and to give it a stronger harder erection.