Features: Men Gym Fitness Hand Grip Adjustable Finger Heavy Exerciser Strength Muscle Recovery Hand Gripper Trainer 10kg - 60kg adjustable range, You can adjust the strength tension from 10kg to 60kg by turning the rotary knob. An excellent training tool that strengthens your hands, wrist and forearm. Small, exquisite, lightweight and portable, you can carry it with you to exercise anytime. Suitable for the elderly, the office crowd and sports enthusiasts. Specifications: Type: Hand grips Material: ABS, TPRStrength Range: 10-60 Kg Color: Black, Gery, Green, Orange Size: 14 * 9-12cmPackage includes: 1PC * Adjustable Hand Grips NOTE: 1. The measurements were done by hand, so there may be errors within 1-3mm or 1-3g. 2. Factors such as lighting, contrast and color display can cause the photos to look slightly different, this is not indicative of any product quality issues.Stonego 3. The size is based on the actual measurements. We may enlarge the pictures just to display details better.