ColourBlack MaterialPolyvinyl Chloride BrandGeneric StyleHand Grip Strengthener ShapeCylinder Hand-grip strengthener for working the muscles in the fingers, hand, wrist, and forearm. World-class PVC materal with a durable chrome-plated spring Ideal for athletes; Description This Power gripper is ideal for both men and women Hand-grip strengthener for working the muscles in the fingers, hand, wrist, and forearm very good for increase performance, and prevent us from any injury. Made with world-class PVC with a durable chrome-plated spring musicians; rock climbers; golfers and tennis players Also work great for rehabilitation Ideal for improving strength; power and speed in the wrists; fingers and forearms