For sale is a set of Bowflex Selecttech 1090 Dumbbells.  They are adjustable from 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, 65, 70, 75, 80, 85, 90 pounds. They are less than a year old, perfect working condition, nothing wrong with them, brand new ones with a stand will cost $688.00

http://www.bowflex.com/selecttech/1090/710000.html

PRODUCT FEATURES

• Replaces up to 34 Dumbbells

  With just the turn of a dial, change your resistance from 10 lbs (4.5 kg) all the way up to 90 lbs (40.8 kg) of weight.

• Adjusts to Your Workout

  Adjust in 5 lb (2.3 kg) increments so you can gradually increase your strength.

• Space Efficient

  Say goodbye to 17 sets of dumbbells cluttering your workout space.

• Wider Weight Range

  With weight that adjusts up to 90 lbs, you'll continue to see results as your fitness level improves.

• Quieter Workouts

  Durable molding around metal plates provides for a smooth lift-off and quieter workouts...no clanging metal plates!

• Total Body Results

  With the wider weight range you can do heavy exercises such as shrugs and lunges as well as lighter exercises such as curls and raises.