Rotary Adjustable DumbbellsThe Rotary Adjustable Dumbbells are an ideal solution to your growing workout requirement. Its design is unique and innovative with a smart dial system. You can rotate the dial to adjust pounds. Add or remove the weight plates according to your requirement. The resistance on the dumbbell can be ranged from 5 pounds all the way up to 52. 5 pounds (with 2. 5 pounds increment) or 10 pounds to 90 pounds of weight (with 5 pounds increment). This dumbbell