We have 4 of the same product in different colors! Bulk purchases are a great deal for rehabilitation, training, youth groups, clubs, and nursing homes, etc. #Aren Grip Training Set of 2 Finger Training Finger Power Grip Training Finger Trainer Grip Strengthening Grip Training Grip Strengthening Tools Grip Recovery Grip Trainer Power Grip Grip Training Stress Relief Finger Endurance Stability Explosiveness Adjustable Strength Grip Trainer Simultaneous Grip Training for Left and Right Easy to Use (Gray) [Adopting High-Quality Silicone Material] This finger training tool uses durable silicone material that is hard to break even when pulled strongly. Whether used for short-term stress relief or long-term finger training, it maintains its original usability and is an indispensable item in daily life, especially for people who love musical instruments. [Freely Adjust Three Types of Resistance Strength] This grip training tool has three types of resistance strength. The gray tool can be selected at 6.6LB, 8.8LB, and 11LB. It is ideal for beginners and for stress relief during work. The black tool can be selected at 13LB, 17LB, and 21LB. It is ideal for finger and grip training, finger endurance, stability, and explosiveness. [For All Ages, Men and Women] Easy to attach to fingers and arms and use immediately. It is a beginner-friendly type applicable to all ages, men and women. [How to Use] 1. Choose your preferred strength and pass the arm band through the corresponding hole. 2. Fix the arm band to your arm according to the thickness of your arm. ⭐️Unused, but opened for inspection and photography. ⚠️Please check the profile before purchasing. Management number 30.4191489