DescriptionA lightweight portable exerciser designed to improve grip strength and upper extremity function.The Flexbar has broad applications for Occupational Therapy, Physical Therapy, Sport, Fitness. rehab and sports specific training.Durable resistance device with a ridged surface for enhanced grip during use.Used to improve hand, wrist, arm, elbow and shoulder strengthAbility to work bending, twisting, and oscillation movements with one piece of equipmentdiameter of bar increases with resistance level12″ long and is made from dry natural rubber in 4 progressive resistance levels to match user capability:Yellow- 5 LBSRed – 10 LBSGreen – 15 LBSBlue- 20 LBS.