Item Type: Finger Flexibility Exerciser <br>Material: TPR <br>Size: Approx. 9.5 x 9.5 x 1.9cm / 3.74 x 3.74 x 0.75in <br>Efficiency: Grip strength trainer for adults, improve hand spasms, arthritis and stroke, can be used for phone and computer enthusiasts, and also suitable for those with ADHD. <br>Applicable Symptoms: Powerful men training <br>Grip Strength: 27kg / 60lb<br>1、Convex Point: Hand exerciser adopted convex points design, effective prevent slip and give your palm a comfortable massaging experience. <br>2、Comfortable Grip: 4 finger holes is more in line with the hand engineering design, make this hand grip exerciser is comfortable to hold. <br>3、Multifunction: Finger exerciser can improve hand spasms, arthritis and stroke, suitable for phone and computer enthusiasts, or those with ADHD. <br>4、Small Size: Finger training exerciser with a pocket size, easy to carry and store, you can use it when you take a bus, watch TV, or in the office, etc. <br>5、Water Washable: Hand grip strengthener made of TPR material, soft and comfortable, can be washed by water, easy and convenient to clean.1 x Finger Flexibility Exerciser