Roll Turn Massage Fidget Roller

Specifications: Material: Aluminum Weight:6 oz Size:3.29" x 1.75" x 0.85" Unit Type: Piece Package Weight: 0.25kg (0.55lb.) Package Size: 1cm x 1cm x 1cm (0.39in x 0.39in x 0.39in) Features: 100% brand new and high quality. Keeps your hands active. Massage, release inner tension. Dexterity,finger+hand+forearm strength. Just for fun, it is addicting, you will not want to put it down. Limit annoying habits.Biting/picking nails, bouncing leg, playing with hair, etc. So unbelievably satisfying, you just need to feel it for yourself. The natural curling movement of your fingers makes this fidget device better than the rest. How it works: By curling your fingers or lightly squeezing your hand, it will rotate and role within your fingers. Change direction by curling your fingers in reverse. It patent pending design engages your entire hand in a continuous, effortless motion.