The ZACRO Force Ball is perfect for training your wrists and forearms with its gyroscopic effect. I've only used it a few times since purchasing it. - Brand: ZACRO - Model Name: Force Ball - Colors: Blue, Green - Accessories: Includes a string and a case #ZACRO #ForceBall #WristTrainer #Powerball #GripStrength #Wrist #Forearm #Training #GripStrengthTraining #WeightTraining To prevent any issues, please check the product's condition in the photos before considering a purchase. As this is stored at home, please refrain from purchasing if you are sensitive about such matters. 〇Product Notes〇 Please note that the product's color may vary depending on the shooting environment and your device. Thank you for your understanding.