With just the turn of a dial, you can automatically change your resistance on each dumbbell from 10 pounds all the way up to 90 pounds of weight;
It adjusts in 5-pound increments, enabling you to gradually increase your strength without bulking up.
Lets you rapidly switch from one exercise to the next;
Combines 15 sets of weights into one, using a unique dial system;
Eliminates the need for multiple dumbbells cluttering your workout space.
