Bowflex SelectTech 1090 Adjustable Dumbbell (Pair) With just the turn of a dial, change your resistance from 10 pounds all the way up to 90 pounds of weight Adjust in 5 pound increments so you can gradually increase your strength Space efficient so you can say goodbye to 17 sets of dumbbells cluttering your workout space Durable molding around metal plates provides for a smooth lift off and quieter workouts Maximum number of exercises available: 30+