Specification:_x000D_Features:_x000D_1. High-quality material: The electronic counting grip is made of high-quality material, not easy to break, reusable, durable._x000D_2. Comfortable handle: The handheld heavy duty grip is equipped with an ergonomic non-slip handle, which fits perfectly in the palm of your hand and provides you with a comfortable grip._x000D_3. Smart counting: Our grip trainers is designed with a smart digital counting function, which will record your exerciser number every time._x000D_4. Adjustable-Resistance Forearm Grip: The grip is designed to be adjusted from 10-220 lbs, the hand-grip enhancer effectively improves the flexibility of fingers, wrist and forearm by increasing or decreasing tension._x000D_5. Lightweight and portable: very suitable for home, home, dormitory, office, gym, etc. _x000D_ _x000D_Notice:_x000D_1.Actual color may be slightly different from the image due to different light effect_x000D_2.Please allow 1-3cm deviation due to manual measurement_x000D_ _x000D_Description:_x000D_Material: PP, TPR, spring_x000D_Size: 17*12.6*2.6cm_x000D_ Package List:_x000D_1 x Smart Counting Grip