Hand Squeeze Amplifier Portable Fitness Equipment Finger Strength Training Description: [Smart Adjustable Counting Handle]: This handshake amplifier is made of high quality PP and high carbon steel, offering adjustable strength, intelligent counting and strength training. Great for fitness and. [Easy to Use]: Simply press and turn to quickly reset the counter. The device is durable and features a thickened, high-strength spring for long-lasting use. [Adjustable Strength]: With an adjustable strength range of 5 to 100kg, this hand is suitable for any family member to exercise. [Electronic Counting and Non-Slip Handle]: The electronic counter allows you to easily track repetitions of exercises that can be reset for repeated use. The non-slip handle with ergonomic shape adapts perfectly to the curvature of the fingers. [Applies to people]: Wrestlers, athletes, muscle builders and exercise trainers, whether they are beginners or professionals, this grip exerciser is the best choice. Specification: Material: PP Size Chart: 11 cm x 16 cm/4,33 inch x 6,30 inch The package includes: 1 Handle Amplifier