Ultimate Hand Screwer

After months of tests and trials with world-class athletes, the Hand Screwer reaches perfection in this latest version. One size fits all with an updated profile, an increased total length and an optimal ratio between the lower and upper diameter as well as a grip-proof knurling make this handle a must have for every athlete! Whether you want to train Hook or the Top Roll, with this simple handle you will be able to train your grip, pronators and supinators like never before!