Ergotron 97-653 97-584 Large Keyboard Tray for WorkFit-S
3M AKT180LE Adjustable Under Desk Mount Ergonomic Keyboard Tray
Amazon.com : VIVO Large Keyboard Tray Under Desk Pull Out with Extra Sturdy C Clamp Mount System, 27 (33 Including Clamps) x 11 Inch Slide-Out Platform Computer Drawer for Typing, Black, MOUNT-KB05E :
Ergonomic Keyboard Tray & Drawer | Under Desk Support | Humanscale