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. - Made of material, durable and practical. - Great for athletes who want to take the training of their grip strength to the next level. - Strengthened type and 8 shaped design make it more effectively training muscle.