【Upgraded Material & Longer life】The extension spring of the hand grip strengthener is made of piano wire spring steel, which has better toughness, tensile strength & fatigue resistance with longer life than common stainless steel. Squeezing the adjustable exerciser will work all of the muscles in your fingers, hands and forearm.
【Greater resistance & Wider range】PACEARTH grip strength trainer' resistance can be easily be adjusted between 4.5kg-59.9kg (10lbs-132lbs) to meet more demands, while others have only 10-50kg (22-110 Lbs) . The hand grippers are suitable for all abilities and you can increase the resistance as your strength develops.
【Lengthened & Comfortable Handle】The handle of the grip trainer has been lengthened to 6.3 inches (others:5.8-5.9 inches) to offer you a better use experience. It also has an anti-skid surface for better grip and embedded design to avoid detaching. No worry about that any more.
【Stress Relief Grip Balls & Portable Storage Bag】Two stress relief balls (20-40 lbs resistance) are made of ageing-resistant TPE that has no smell, whose wrapped covers also let them avoid sticky & be quick-drying when getting wet. You can take them anywhere with a convenient storage bag for the whole set. A wonderful gift for everyone such as your families friends, etc.
【Injury Rehabilitation & Stress Relief】The ergonomic hand grip strength trainer set is beneficial to recover in hand injury, rheumatoid arthritis, carpal tunnel syndrome, tendovaginitis, fractured/broken wrist & tendon surgery. Perfect for preventing injuries, improving athletic performance & reducing stress. Relaxing your hands after thousands of mouse clicks when engaged in a lot of computer work every day.