＊Please be sure to read the profile ☆ ＊Welcome to bulk purchases, please feel free to comment. ＊The contents have been checked once (for inspection), so it is listed as "Like New". ・Please understand that this item is stored at home and will be shipped in simple packaging before purchasing (⁎ᵕᴗᵕ⁎) ・Please check the actual photos for the condition of the product♪ ※To reduce shipping costs, the item may be shipped without the box. #kamakura Please take a look at other products! ⭐️The following is a product description. ↓↓↓⭐️ ——————————————————————— ※To reduce shipping costs, it will be shipped without the box and carefully packed with cushioning material. ★ Use this innovative design arm strength ball to easily train your arm strength and challenge the limits of speed! Furthermore, you can completely control the force, so your power will affect the ball's trajectory. Whether you want to beat your competitors or challenge your own limits, this arm strength ball will be your best training partner! ★ This is a convenient training device that trains wrist, forearm, upper arm muscles, and grip strength by creating centrifugal force with a high-speed gyro-rotating rotor, grabbing and controlling the ball. It is compact and easy to carry, yet provides a solid training load due to centrifugal force. You can train anywhere, even in a short amount of time. ★ By training, blood circulation in the arms improves in a short time, so doing it as a warm-up before sports prevents injuries and leads to the best performance. It is freely controllable by controlling the number of rotations, from intense training to warm-up before sports, and rehabilitation. ★The advantages are that there is less strain and less risk of injury, you can carry it and train anytime, anywhere, and there are various training methods so you can enjoy it continuously. You can enjoy training like a game by raising the number of rotations to the limit and controlling the gyro rotation, so you can use it for a long time. Snapping ball Wrist training ball Muscle training ball Arm muscle training Grip strength training Strength spinner Training ball Silent training Gyro spin Strengthen arm and wrist bones and muscles Anti-slip Grip strength enhancement 2850 11-30 3