1PC Hand Grip Finger Trainer Strengthener Two-Way Spring Adjustable Size Power Training Piano Guitar Finger Exercise Equipment Home

Training Site : Muscle Relex Apparatus,Hand,Wrist Department Name : Unisex Model Number : Grip strength device Type : A Type Gripper Type of sports : Strength Training Material : ABS Size : 9x8cm Applicable scene : Fitness equipment, fitness Feature : Every finger can be trained