3pcs Hand Trainer Balls Finger Trainer Ball for Stress

Features:

3pcs balls for a set.

Different ball with different grip strength.

Spandex outer and TPE core for comfortable grip and quick restore.

Squeeze the ball to provide your hands better blood circulation and stimulative grip strength.

Fits for reducing physical discomfort and relieving mental tension in your body.

Come with a storage bag,easy to store and carry.

Great gift for adults,children,students,teachers,elders,etc.

Specification:

Color: 3pcs Grey / 3pcs Black / 3pcs Blue / Grey amp;Black amp;Blue (optional)

Material: Spandex + TPE

Grip strength: (Grey)40lbs ; (Blue)50lbs ; (Black)60lbs

Diameter: 55 mm / 2.2 in

Unit weight: approx. 65 g / 2.3 oz

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