Everfit 4X Aerobic Step Riser Exercise Stepper Block Gym Home Fitness2 Pair of Everfit Step Riser Easily increase the height of your aerobic step with our Everfit step risers. Where each step riser will increase the height of your aerobic by 5cm, you can now perform all sorts of aerobic routines and have a professional workout even when you're at home. Improve your cardiovascular fitness, train your body coordination, burn fat and tone up your hips and thighs! Save money and time from travelling to the local gym. Its