This is a hand-held fitness rotator.

Different from the Fidget Spinner on the market today, this rotator is consisted of 2 alloys. The heavy metal keeps rolling back and forth in your hand to keep you focused and relaxed.    Quiet, durable and easy to operate, it can roll back and forth on skin to massage our muscle when we need, isn't this a clever idea? Keep your hands alive. Massage, and release the inner tension. Increase the dexterity of finger, hand and forearm. Improve your work focus. If just for fun, it's addictive and you do not want to let it go. Relieve stress and anxiety, ideal for homework and exams. Reduce annoying habits like biting nails, rocking legs, playing hair and so on.

It's incredibly satisfying; you just need to feel it yourself. Enable you focus on work while entertain your fingers to reduce stress. Keep your finger active to speed up blood circulation to make you healthier. It's a professional tool to reduce stress, which keeps your hands busy. Working principle:    Curling your fingers or gently squeezing your hand, it will rotate and roll in your hand.   Curl your fingers in reverse to change direction.

 Specification:   

Material: Aluminum   

Weight: 170g    Size: 3.29 inches × 1.75 inches × 0.85 inches   

Color: black, silver, blue, red