The DYNA-FLEX Pro Grip Exerciser is a powerful tool for home use, designed for strength training in the gym and training activities. Made of durable plastic in a vibrant green color, this wrist hand grip exerciser is the ultimate power grip trainer. With its unique gyro powerball design, the DYNA-FLEX Pro Grip provides unparalleled resistance and support for your workouts. Made in the United States by the trusted brand Dynaflex, this fitness accessory is ideal for athletes and fitness enthusiasts looking to enhance their grip strength and overall physical fitness.