Replaces up to 30 Dumbbells - with a turn of a dial you can automatically change your resistance from 5 lbs (2.27 kg) all the way up to 52.5 lbs (23.8 kg) of weight.
Adjusts to Your Workout - adjust in 2.5 lb (1.13 kg) increments (up to the first 25 lbs) (11.3 kg) so you can gradually increase your strength.
Space Efficient - One of the most space-efficient and flexible strength-training options available - say goodbye to 15 sets of dumbbells cluttering your workout space.
Wider Weight Range - with weight that adjusts up to 52.2 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.
The price is for two 52.5 lbs dumbbells -total weigh is 105lbs