Check the listing for details. Hand Grip Strength Power Trainer Gripper Strengthener Adjustable Gym Exerciser. Color: Black, Condition: New. Listed at 6.99 USD. Hand Grip Strength Power Trainer Gripper Strengthener Adjustable Gym Exerciser Ergonomic Design - Comfortable rubber non-slip grip and stainless steel enhanced spring. The Hand Gripper is ergonomically designed and suitable for all age groups and any hand sizes. Perfect for athletes, fitness and sports enthusiasts and musicians who want to develop their hand, finger, wrist etc. Grip Strengthener - Designed to increase the strength of the fingers, wrists and forearms, the hand grip strengthener improves overall grip strength and endurance and is perfect for on-the-go stress relief. The durable, spring-loaded hand exerciser is quiet , so you can use it whenever you have time, no matter where you are. Adjustable Resistance - Easy to change and allows a wide variety and range of exercises for a wide range of age groups and fitness levels by screwing or unscrewing the knob to adjust spring tension from 22 lbs / 10 kg to 132 lbs / 60 kg. Specifications: Color：Black/RedMaterial: Stainless Steel & Polypropylene & TPRDimensions: 11 x 16 x 2 cm / 4.3 x 6.3 x 0.8"Resistance Range: 10-60Kg / 22-132LbsItem Weight: 150g FeaturesHigh Effective Usage - Useful for physical or occupational therapy and rehabilitation, the grip strengthener also increases mobility and flexibility in the hand and wrist, relieving painful arthritis, tennis elbow, tendinitis and carpal tunnel.Compact And Lightweight - This Strength Trainer Kit is small enough to fit into your gym bag or handbag. You can get repetitions in whil