DMI Shoulder pulley for physical therapy, door pulley. Conveniently Do Physical Therapy Exercises At Home To Increase Your Range of Motion and Improve Your Quality of Life. DMI Shoulder pulley for physical therapy, door pulley benefits: Easy to use, can use seated in a chair or standing for your convenience and comfort. Simple to attach to doors in under a minute. Enables you to do physical therapy at home. Helps improve range of motion, strength, mobility, and flexibility. Helps with arthritis, tendonitis, frozen shoulder syndrome, rotator cuff injury, capsulitis, and bursitis. Shoulder pulley works bilaterally for symmetrical results. DMI Shoulder pulley for physical therapy specifications: Door pulley size: 15.5 by 2.1 by 6.9 inches. Weighs 2 pounds. How To Install and Use Your DMI Door Pulley Exerciser: Simply place the strap over the door with the buckle positioned on the opposite side. Close the door tightly. Pull the strap toward you to make sure its locked in place.