Size Large/X-Large Left * Wrist joint circumference 7.75 - 10 * Comfortable firm support for weak injured or aching wrists * Has adjustable locking straps together with a metal splint positioned at 25¯ to provide the protection and support needed for treating Carpal Tunnel Syndrome * Increases circulation to aid in the treatment of repetitive stress injuries (RSI) and Tendonitis * D-Ring closure system for ease of application and secure fit * Maintains the wrist in a neutral cock-up position