The Hand Grip is an effective way to strengthen your hand grip and tone your arm muscles. Built for high-repetition endurance training, the Hand Grip includes variable weight increments from 10kg to 40 kg of resistance. By simply turning the knob back and forth, you are able to find the ideal tension for your exercises and increase the resistance as your strength improves. Perfect for anyone wishing to build hand and forearm strength or anyone in the beginning stages of rehabilitation. It’s also a great way to relieve stress!