Finger force device finger force playing strength training device adult children finger strength lifting training device grip force device, yellow, 88*67mm 1. Made of high-quality PP material, environmentally friendly, odorless and non-fading. 2. Small and light, easy to carry, not limited by fixed time and space. 3. Training people with developed muscles can relieve fatigue and make the muscles of the exercisers stronger. 4. Promote blood circulation, maintain blood circulation in joints, and be less prone to inflammation. 5. Ideal for building strength and relieving wrist, finger, forearm and hand fatigue. Note: Manual measurement, there may be 1-2cm/1-3g error, which is not a quality problem. Due to different screen displays, there may be a color difference between the real object and the picture. Delivery Quantity: 1