1. ERGONOMIC STANDARDS Our handle enhancer is equipped with a non slip grip that ensures a comfortable and secure grip. Its unique ergonomic design makes it ideal for fingers of all sizes and shapes, allowing you to take your strength to a level. 2. LONG LIFE DURABLE This athlete grip reinforcement is made of high strength thickened stainless steel spring, which is wear resistant, strong and sturdy and durable. 3. IMPROVED PERFORMANCE Improve your gripping strength with the training device with handle Track and see your training progress with the intelligent counting design. Beat your personal record and achieve your goals. 4. Widely Used With an adjustable resistance level, this finger enhancer targets the hand, wrist and forearm muscles, improving strength and flexibility. Perfect for musicians, athletes, players and anyone who wants to improve their grip, dexterity and fingers.