The 720 is an ADVANCED-LEVEL Centripetal Trainer.
We generally recommend most everyone start out with a single-mass 360 model since easier to control.
The 720 is designed for bigger, stronger, more coordinated athletes particularly who have already mastered the 360 and want an even greater challenge.
It has 2 separate Internal weights that provides greater resistance and significantly more difficultly to control than our single-weight introductory models. Despite this, the 720 still has applications in rehab and training for all levels simply by altering how you hold it.
(6) AXIO 720 Trainers