You want to develop serious strength and this hand grips is here to help. If you’re ready to improve your grip, and overall fitness, then you’re going to like what your arms look like after using these grip strengtheners. Features - Color: Yellow. - Material: PC, Iron, Steel. - Size Ball: Approx. 7.2 x 7.2 x 7.2cm/2.83 x 2.83 x 2.83 inch. - Size Dumbbell Bracket: Approx. 19 x 7.5cm/7.48 x 2.95 inch. - The heavy grips hand gripper series was developed for athletes who want to take the training of their grip strength to the next level. - This fitness equipment is easy installation, and easy detachment. - Mainly used to exercise arm, finger force, wrist force, abdominal muscles, suitable for fitness equipment, sports trends, fitness , martial arts . - Anti-slip surface gives comfortable hand feeling. - It come with a hand grip ball, a dumbbell bracket and a steel hook. Package list: 1 x hand grip ball 1 x dumbbell bracket 1 x steel hook