Specification:. Brand new. Color: Orange / Blue / Black (optional). Material: PP+TPR. Feature:. Forearm grips easily adjust 5-60kg of resistance as needed.. Grips add counting. It counts automatically with just a firm press of the button. Gently rotate the button to clear the ones digit, press and rotate the button to clear the tens digit.. Fine workmanship.. Easy to use.. Durable in use.. Package Included:. 1pc x Grip Trainer