1.What dimensions does the forearm trainer have? The size of each handle strengthener is L x W x H 12 x 8 x 2.5 cm, this forearm trainer is very comfortable to carry, you can put it in your pocket and use it and train it at any time. Check carefully: Since the width of the forearm trainer is 9.3 cm, we recommend that the width from your palm to the third finger 9.3so that you have a better grip. 2.Who is the forearm trainer better for?: We use the finger trainer for some women and some beginners, as this grip can be used as a basic training and warmup exercise, so you can perform aerobic exercises better and shape your muscles better. Since the hand grip strengthener weighs only 35 pounds, it can help better in performing simple and effective rehabilitation exercises. We recommend it especially for people who need rehabilitation of the fingers and 3.What is the basic exercise of the grip strength trainer? The basic exercise when using forearm trainer is simple. Grip the finger grip so that your thumb and the remaining fingers of your hand enclose both handles of the device. The spring is at the top. Make sure that the little finger closes the one handle with the edge. Now you press the handles together. We recommend you do 15 repetitions and then switch to your other hand, complete three sets of this exercise. 4.Precautions for forearm training: For beginners and female users, especially at the beginning, you should not overdo the training, otherwise your muscles will be too irritated and the exercises can lead to serious injuries and disbalance in your hands. So that your muscles can regenerate sufficiently, you should treat yourself to a break of at least 24 hours after each workout and provide a counterload on the hand muscles.