IRIN | IRIN Guitar Hand Grip Finger Exerciser Strengthener Power Trainers Medium Tension Adjustable Trainers Piano Finger Exerciser

Guitar Hand Grip Finger Exerciser Strengthener Power Trainers Medium Tension Adjustable Trainers Piano Entry Finger ExerciserFeatures:Finger power instruments are versatile, with a streamlined design that provides a more comfortable feel and conforms to the shape of the hand. They are not easily fatigued during practice, and are made of soft silicone with a snug fit design. Each button is flexible and free, not loose, and durable. They are packaged in plastic, not easily damaged, and have a strength of 5 poundsSpecifications:Color: Black/Pink/Yellow/Green(Optional)Material: ABS+siliconeSize: 792.2cmWeight: 54gPackaging list:1 * Finger Trainer