The Stamina Versa-Bell II 25 lb. dumbbell is nine dumbbells in one. This innovative dumbbell adjusts from 5 lbs. to 25 lbs. and replaces nine individual dumbbells, but is the size of one so you save space and money without sacrificing quality. It's the perfect way to add dumbbells to your home workout area. The dial mechanism makes changing weight fast and easy for uninterrupted workouts. As you dial, the weight minder shows the weight you've chosen.