Artbell Fitness Portable Hand Grip Strengthener (10–100 kg) – Adjustable Finger & Forearm Trainer for Grip PowerBuild stronger hands, fingers, and forearms with the Artbell Fitness Portable Hand Grip Strengthener, designed for effective grip training anytime, anywhere. With an adjustable gripping power range from 10 to 100 kg, this strengthener is suitable for beginners, athletes, and advanced users alike. Made from durable TPR, PP, and high strength spring materials, it delivers long lasting performance while maintaining comfort during use. The ergonomic, non