Torque-Ball Hand Exerciser, Wrist Power Gyro Ball, Forearm Strengthener, Grip Strength Trainer, Hand Strengthening Devices, Wrist Trainer Balls, Finger Exerciser, Auto-Start Colorful Lighting

아마존 달러(USD) 가격을 각 날짜의 환율로 원화 환산해 표시합니다. 현재 환율 $1 = ₩1,475 (2026-07-24 기준)

상품 특징

• 【Automatic start】The upgraded version uses a built-in pre-tensioner to start, and no starting rope is required. Press the inner ball with your thumb and move your thumb in the direction of the arrow to start the internal spring. The working principle is simple and environmentally friendly. By rotating the wrist, the ball core rotates at high speed, generating centrifugal force, so that the wrist feels a certain resistance.
• 【Suitable for assisting】Long-term use of computers or mobile phones, carpal tunnel syndrome, repetitive stress injuries, etc. are more common. By continuously and indirectly strengthening the muscles and flexibility of the forearm and wrist joints, it can significantly improve muscle strength, flexibility, and promote blood circulation
• 【Sports Assistance】 It is beneficial for grip training, fitness, golf, tennis, rock climbing, cycling, cricket, martial arts, etc. It has an auxiliary effect on improving finger grip and grip strength
• 【Exquisite Design】 The Powerball can be carried anywhere, whether in the office, gym or at home, it can be used as a toy to relieve stress at any time, and it can also exercise finger grip strength training.
• 【A chic gift】The gyro ball is a great gift for children who love sports, restless middle-aged people and people who work in the office for a long time, guitarists, pianists and other musicians

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