Description: 【Intelligent Adjustable Counting Hand Grip】: This hand grip strengthener is made of quality PP and high carbon steel, offering adjustable strength, intelligent counting, and power training. It's great for fitness and muscle training. 【Easy to Use】: Simply press and rotate to quickly reset the counter. The device is sturdy, durable, and features a high strength thickened spring for long lasting use. 【Adjustable Strength】: With an adjustable force range from 5-100KG, this hand grip is suitable for everyone in the family to exercise with. 【Electronic Counting & Anti Slip Handle】: The electronic counter allows you to easily track your exercise repetitions which can be reset for repeated use. The anti slip handle with ergonomic design fits the curvature of your fingers perfectly. 【Applicable People】: Wrestlers, athletes, musicians, muscle builders, and exercise trainers, whether they are beginners or professionals, this grip exerciser is the best choice. Specification: Material: PP Size Chart: 11cmx16cm/4.33inchx6.30inch Package Includes: 1 Hand Grip Strengthener Note: Please allow slightly errors due to manual measurement and different monitors.