Lifting weight is a great way to burn calories and get fitter. Not all of us have room for a bunch of dumbbells though. The Nonzero Gravity PowerDyne Dumbbell is an adjustable weight with 5lbs to 80lb settings. It has a no-slip grip for a safe, comfortable workout.
PowerDyne replaces 16 weights. It comes with 10 weight plates and one storage tray. It measures 17.7 x 8.86 x 9 inches. You can find out more about it here.