Torque Ball with Counter-Hand Exerciser for Forearm Strengthener,Gyro Ball Grip Strength Trainer, Wrist Trainer Balls with Auto-Start LED Lights

아마존 달러(USD) 가격을 각 날짜의 환율로 원화 환산해 표시합니다. 현재 환율 $1 = ₩1,449 (2026-07-30 기준)

상품 특징

• 📚【Torque-Ball Hand Exerciser】The upgraded version uses a built-in pretensioner to start, without the need for a starter cord. Press the inner ball with your thumb and move your thumb in the direction of the arrow to start the internal spring.
• 📚【LCD Counter Real-time Progress Tracking】Gyro ball New Upgrades self-powered digital display for real-time tracking. Torque-ball that automatically tracks RPM, power, time, and energy expenditure. Amplify grip training for golf, tennis, rock climbing, cricket, cycling, and martial arts.
• 📚【Automatic Start Gyro Ball Mechanism】 Our upgraded torque ball hand exerciser features a built-in pre-tensioner for effortless auto-start—no pull cord needed! Simply press the inner ball with your thumb and rotate along the arrow direction to activate the spring.
• 📚【Portable and convenient design】: Hand Exerciser weighs only 0.5 pounds, is compact and portable, and does not require batteries, allowing you to easily integrate hand grip training into your daily life. It's a simple solution for building hand and wrist strength at home, in the office, or on the go.
• 📚【Advanced Gyroscopic Resistance for Effective Training】: This feature makes it ideal for athletes, musicians, and anyone looking to build hand, wrist, and forearm strength.Easegain supports "One year quality policy", 60days unconditional .

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