This product is a total hand strengthening workout equipment for all fitness levels, from beginner to advanced, at home and in the gym. Features : Helps improve strength, power and speed in the fingers, wrists and forearms. May relieve anxiety while increasing blood flow to your hand, your finger and your arm. Nice hand strength exercise for those suffering from arthritis, tendinitis, carpal tunnel and those recovering from tendon surgery. Counting display smart, the quantity you have made will be displayed on the screen. Adjustable resistance, you can adjust it according to your needs. Ergonomic design fits all hand sizes, for men and women. Portable and lightweight, convenient to carry. Can be done at home or in the office with just 5 minutes a day. Suitable for athletes, musicians, climbers, gamers tennis, etc. Features: Material: PP plastics + spring steel Color: black Resistance range: 5~60kg /11.02~132.28lb Item Size: 160 * 110 * 22mm / 6.3 * 4.33 * 0.87in Package size: 160 * 110 * 27mm / 6.3 * 4.33 * 1.07in Package weight: 170g / 6 ounces Note: 1.Due to the different display screen and light effect, the actual color of the item Item may be slightly different from the color shown in the pictures. 2. Please allow a little measuring deviation due to manual measurement. Package List: 1 * hand pliers