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Finger Strengthener,4 Tension Adjustable Hand Grip Exerciser Ergonomic Silicone Trainer for Guitar,Piano,Trigger Finger Training, Arthritis Therapy and Grip, Rock climbing (AHF-03)
All-in-one hand exerciser specifically design for many musical instrument. Also can be used for finger strength exercise in daily life.
Safely and conveniently build strength, endurance, and flexibility and coordination, provides a complete strength training solution for fingers, hands, wrists, and forearms
Individual finger tension is adjustable, the tension ranges from 4LB to 7LB. You can select different tensions for each finger, providing all-in-one hand fitness.$9.99