New and Improved Version Nuo Style 90lb Adjustable Dumbbells Set of 2. 

• Instant Weight adjustment: adjust the weights in seconds with one hand, compact and efficient

• More weight range: The weight range can be adjusted from 5.5b - 90lb. As your fitness level improves, you can gradually increase your strength.

• 16 Weight selection instead of 9 in comparison to the older version

• Exquisite workmanship: high-density composite cast steel.

• Space saving: The compact design allows you to store and use dumbbells anytime, anywhere.

• Weight selection in lbs increments of 5.5lb all the way to 90lb, 

• 1 Year limited warranty covers any mechanical issues