Adjustable Resistance: Hand Gripper Strengthener The Hand Strengthener has an adjustable resistance range of 5-60KG, which allows you to adjust the resistance to match your own ability and increase the value if you gain strength. All this can be easily done by turning the small black dial Ergonomic Design: Hand Gripper Strengthener The non-slip rubber grips well prevent it from accidentally slipping out of your hand when it gets sweaty and wet. Perfect for men, women, the elderly and young people Practical and necessary: Hand gripper strength training It is perfect for improving the strength, power and speed of fingers, palms, wrists and forearms, and helps relieve stress. Ideal for athletes, musicians, pianists, climbers, golfers, bodybuilders, tennis players, etc. Durable: Gripper handle hand strength training tool Stainless Steel Spring and Solid Steel Hinge: the strong stainless steel spring and the solid steel hinge lead to a perfect hand grip for your daily training for a long time Effective rehabilitation tool: The hand gripper is a perfect tool for rehabilitation following hand surgery. It is an ideal training tool if you suffer from arthritis, rheumatoid arthritis, tendonitis, carpal tunnel syndrome, tennis elbow, and those recovering from wrist fractures and tendon surgery. Size: 15*11*2.2 cm Color: Black Quantity delivered: 1 piece