Yes4All Adjustable Steel HAND GRIP Exerciser 02 Resistance Level Max 44-88Lb Finger & Forearm Strengthener Hand strengthener for the guitar, violin and drum players Excellent for athletes and outdoorsmen, increasing finger, hand wrist, forearm strength Better hand strength, endurance, dexterity and forearm muscularity Made of strong, durable steel Easy adjustable resistance level from 11-44 lbs for your needs