[Durable Construction]: Our hand grip strengthener is made of aluminum material and features ergonomic aluminum handles. A strong compression spring and well-designed gripper construction provide a firm and reliable build. [Metal Grip Strength Trainer]: Ideal for improving hand strength and rehabilitation. Helps enhance strength, endurance, dexterity, muscular tone, and fine and gross motor skills in the hands, wrists, and forearms. Suitable for individuals with arthritis, tendonitis, or carpal tunnel syndrome. Also beneficial for musicians, athletes, golfers, rock climbers, and tennis players. [Grip Strength Trainer Set]: Includes 3 hand grippers with resistance levels of 100 lbs, 200 lbs, and 300 lbs. Offers three progressive training levels: 100 lbs is manageable, 200 lbs is challenging, and 300 lbs is extremely difficult. Designed to help build grip strength effectively. [Lightweight and Portable]: Compact design easily fits in a pocket or backpack, allowing you to carry it anywhere. Use the hand gripper at any time, whether at home, work, or on the go. [Perfect Item for Daily Strength Training]: This forearm and hand strength trainer is ideal for climbers, weightlifters, athletes, seniors, and individuals of all ages looking to improve hand strength. Convenient for use during work breaks or leisure time. Train your hands anytime, anywhere. Color: Silver Material: Aluminum Package Contents: 3 x Hand Grips Note: Light and screen display differences may cause slight variations in color between the image and the actual item. Measurement may vary by +/- 1-3 cm.