This product is a total hand strengthening workout equipment for all fitness levels, from beginner to advanced, home and gym.<br/>Features:<br />Helps to improves strength, power, and speed in fingers, wrists, and forearms.<br />Can relieve anxiety while increasing blood flow to your hand, finger, and arm.<br />Nice hand strength exercise for those who have Arthritis, Tendonitis, Carpal Tunnel, and those who are recovering from tendon surgery.<br />Intelligent counting display, the quantity you have done would be shown on display.<br />Adjustable resistance, you can adjust it according to your need. <br />Ergonomic design fits all hand sizes, for men and women.<br />Portable and lightweight, convenient for you to carry.<br />Can be done at home or in office with just 5 minutes per day.<br />Suitable for athletes, musicians, rock climbers, tennis players, ect.<br/>Specifications:<br />Material: PP plastics &#43; spring steel<br />Color: black<br />Resistance range: 5~60kg /11.02~132.28lb<br />Item size: 160 * 110 * 22mm / 6.3 * 4.33 * 0.87in  <br />Package size: 160 * 110 * 27mm / 6.3 * 4.33 * 1.07in <br />Package weight: 170g / 6ounces <br/>Note:<br />1.Due to the different display screen and light effect, the actual color of the item might be slightly different from the color showed on the pictures.<br />2.Please allow a little measuring deviation due to manual measurement.<br/>Package List:<br />1 * Hand Gripper