PowerBlock EXP Stage1 5-50 lbs Adjustable Dumbbell, Single

PowerBlock EXP Stage1 5-50 lbs Single Dumbbell: Adjusts from 5-50 lbs Expandable later to 70 lbs and again to 90 lbs Non-slip comfort grip contoured handle Replaces 16 pairs of dumbbells or 825 lbs of free weights Increments - 2.5, 5, 7.5, 10,15, 17.5, 20 25, 27.5, 30, 35, 37.5, 40, 45, 47.5, 50 lbs Compact size; easier to balance and control Expandable dumbbell ideal for chest presses, seated curls and more