Boost the strength of your hands with this professional silicone ring. It features 2 resistance levels (from 9 kg to 14 kg) in the same ring, allowing gradual strength progression in fingers, wrists, and forearms. With a special non-slip rubber texture and ergonomic design, it is the ideal tool for climbers, Crossfit athletes, and musicians. It is essential for physiotherapy and injury rehabilitation. Made from durable, hypoallergenic silicone, it offers a firm grip and is also perfect for reducing stress in everyday life.