Description 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. With this one, training arm muscle more effectively and correctly. Features - Color: Red. - Material: ABS, NBR, spring steel. - Size: About 41.5x22x3.5cm. Enhanced grip strength-- this multifunction wrist strength trainer is designed to improve grip strength for climbers, weightlifters, and athletes Durable material-- made from abs, nbr, and spring steel, this hand gripper ensures long-lasting use and effective muscle training 8 shaped design-- the unique 8 shaped design of this arm strengthener provides more effective muscle training for your wrists and arms Portable and convenient-- lightweight and compact, this wrist roller can be used anywhere, making it perfect for home, office, or travel workouts Ideal gift-- this chest exercise device makes a thoughtful gift for friends and family who are fitness enthusiasts