Our Winged Keyboard Trays are angled to bring the mousing surface closer to the user. Great for diagonal corners. Our CarpalRest ® keyboard trays are designed for use with articulating arms. The foam covered base keeps your keyboard in place. Our trays feature a unique guard to protect your keyboard and to help manage the cords. The ergomically designed CarpalRest ® wrist supports keep your hands and wrist in their neutral position, which helps to alleviate the stress that can cause repetitive motion injuries, such as Carpal Tunnel Syndrome.