Product name: Grip Strength Trainer Product size about : Height: 16cm/6.29in Width: 8-10cm/3.14-3.93in Handle length: 9cm/3.54in Product color: As shown in the figure Product material:TPR+PP+ABS product features: 1. Adjustable Resistance: This hand grip strengthener allows you to easily adjust the resistance level from 0 to 100kg, making it suitable for users of all fitness levels. Whether you are a beginner or an advanced athlete, you can customize the resistance to challenge and improve your hand and finger strength. 2. Finger Rehabilitation: This grip strengthener is not only ideal for strength training, but also for finger rehabilitation. It helps improve finger dexterity, flexibility, and coordination, making it a valuable tool for individuals recovering from hand injuries or surgeries. 3. Electronic Counting: Equipped with an electronic counting feature, this grip strengthener accurately counts the number of repetitions you perform during your training session. It provides real-time mode and allows you to track your progress over time, motivating you to reach your fitness goals. 4. High Safety Standards: Safety is a top priority with this grip strengthener. It is built with high-quality materials and designed to withstand rigorous use. The ergonomic handle ensures a comfortable grip, while the adjustable resistance mechanism operates smoothly and securely, minimizing the risk of accidents or injuries. 5. Portable and Convenient: This grip strengthener is compact and lightweight, making it easy to carry and use anywhere. Whether you are at home, in the office, or traveling, you can conveniently incorporate hand and finger strength training into your daily routine. Its portable design allows you to maintain your fitness regimen even on the go. Precautions: 1. As we all know , the different computers display colors differently, the color of the actual item may vary slightly from the following images. 2. If you feel difficult to choose the size, you can feel free to contact mewe will give you some suggestion, but it is for you reference only. Shipment includes: 1 pc Grip Strength Trainer