Product Name: Advanced Gyro Wrist Strengthener Ball - Enhancing Arms, Fingers, and Wrists with Auto-Start Technology for Powerful Muscles and BonesPackage Contains: It has 1 piece of Gyro Wrist Strengthener Ball�Material: PC+Alloy Steel+SiliconeColor: AssortedCombo: Pack of 1LBH: 15L x 1W CentimetersWeight: 280 gramsAdditional information:? # Self-Activating Design: The Gyro Ball starts spinning automatically, eliminating the need for manual initiation and making it incredibly user-friendly. # Pressure Relief Technology: Enjoy longer and more comfortable workout sessions with the Gyro Ball's pressure relief technology, reducing strain on your joints. # Durable Metal Ball Core: The Gyro Ball's metal ball core ensures exceptional durability, ensuring it will withstand vigorous spinning and last for years. # Speed Color Indicator: Track your progress with the speed color indicator, allowing you to visualize and adjust your spinning speed for optimal workouts. # Ergonomic Grip: The Gyro Ball features an ergonomic grip for extended workout comfort, reducing the risk of hand fatigue and discomfort. # Strength and Dexterity: Strengthen your fingers, wrists, and arms with the Gyro Ball, improving grip strength and dexterity for enhanced performance.