The hand grip strengthening set is the ideal and complete set that will help you achieve a strong grip, and it is also used for hand rehabilitation in case of injuries or weakness. The components of the box are shown in the pictures and include 1- hand strengthening tool with adjustable resistance. 2- finger exercise tool. 3- silicone ring for hand strengthening by pressing on it. 4- silicone ball for relaxation. 5- silicone for finger and palm strengthening.