From the manufacturer
Allowing you to find the level of resistance that suits your needs and then upgrade as you get stronger, the Hand Grip Strengthener is available in five stages.
A well-defined forearm not only looks great it also strengthen and supports the important flexor and extensor muscles used to control your hands and fingers.
Choose From 5 Stages
Built To Perfection
This Hand Grip Strengthener is made from premium grade aluminium for optimal durability and equipped with a high quality steel spring for easy use.
The surface of the handles feature an attractive engraved knurling pattern for an anti-slip grip.