High Speed Jump RopeFeaturing a high quality premium ball bearing, it ensures smooth and fast. It can shape your cardio endurance, stamina and speed, while improving the muscle tension of your whole body. | Wrist StrengthenerPerformed regular and reverse wrist curls with adjustable stabilizer pad for more and less resistance. Improve your hands, wrist and forearm strength for athletes, sportsmen, fitness enthusiasts, professionals, rock climbers, golfers and tennis players. | Hand GripVery easy to adjust by a screw cap from 11lbs/5kgs - 132lbs/60kgs. Improve strength of your hands, fingers, wrist and forearms, great for enhancing hand and finger grip strength, endurance, dexterity, muscular tone and fine and gross motor skills. |