4 Pcs Wrist Trainer Ball Auto Start Hand Gyro Ball Wrist Strengthener Self Starting Forearm Exerciser with Bag and Strap for Strengthening Arms Fingers Wrist Training

Easy to Use: featuring an automatic start function, you can simply push the core in the direction of the arrow, and gyro ball will automatically begin to rotate, providing a convenient and hassle less experience
Sufficient Quantity: the wrist strengthener set includes 4 wrist trainer balls, each equipped with a pouch and a strap, providing you with multiple pieces for comprehensive hand and wrist strengthening
Proper Size: with dimensions of about 2.76 x 2.17 inches/ 70 x 55 mm, the gyro ball wrist exercisers are designed to enhance strength and improve grip, catering to the diverse needs of individuals seeking to strengthen their hand and wrist muscles
Versatile Application: beneficial for strengthening fingers, wrists, and forearm muscles, the wrist exerciser strengthener set is suitable for sports enthusiasts, fitness aficionados, and individuals seeking to improve their hand and wrist strength
Quality Material: crafted from zinc alloy and silicone, the gyro ball auto starts are capable of withstanding continuous and repetitive use without showing signs of wear and tear, ensuring long lasting performance