Ultrasport is a brand sold exclusively on Amazon from third party manufacturers.
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The ideal hand and arm trainer for athletes in the fields of golf, tennis, squash, badminton, bowling or basketball
The rotational movement gently strengthens the muscles of the fingers, wrists, forearms and shoulders
Also perfect for improving precision and endurance for drummers, guitarists and pianists
The Ultraball helps to relieve tension with up to 12,000 rotations per minute without batteries or power source
Break-proof plastic casing with handle. Size (approx.): height: 6 cm, diameter: 8 cm, length of pull cord: 44 cm.