GD Iron Grip Hand Grip Strengthener (Adjustable Hand Grips for Strength Training) Wrist and Forearm Strength Trainer

Name : GD Iron Grip Light 80 Material : Stainless, Steel, Aluminum, Reinforced plastics, Compression springs Strength Range: 55lbs-176lbs (25kg-80kg) Size: 9.5 x 16 x 2cm (3.7 X 6.5 X 0.8 inch) GD IRON GRIP is protected by PATENT issued by the US government(PATENT NO.US 9,415,262 B2).'