Dial delivers pin-point pressure to the forearm tendon without increasing pressure around the entire arm. Gel pad conforms and provides comfort on tendon as it moves. Maintains set pressure until dial is adjusted. Ideal for tennis elbow, tendonitis, repetitive motion activities. Sizing 7.0-14.0 in (17.8-35.6 cm). Fits around left or right arm. Product Benefits. Elbow Custom Pressure Strap. Firm Support.