Builds finger strength, and hands and forearm strength.
DR Strings' Powerball Finger and Hand Strengthener relieves the stress and tension that is building up during a stressful day at work. Also helps avoid repetitive stress injury such as texting. Use the Powerball to loosening up the tension on your thumps and fingers. These hand exercises can be conveniently preformed anywhere you go.
Grab your Powerball. Order today.