THIS LOCKING LAPTOP TRAY IS MADE OF HEAVY DUTY STEEL. IT INCLUDES A LOCKING BAR FOR SECURITY (2 KEYS INCLUDED). THE TRAY MEASURES 18""W X 14""D AND FITS MOST 17"" DIAGONAL SCREEN LAPTOPS AND CHROME BOOKS. IT HAS A DURABLE POWDER COAT FINISH. THE PANEL IS PERFORATED FOR VENTILATION. IT EASILY INSTALLS TO ANY GLOBAL INDUSTRIAL WORKBENCH UPRIGHT WITH THE INCLUDED BRACKET. THE BRACKET FOR RIGHT MEASURES 5""W X 4-1/2""H WITH 1-1/4"" U-CHAMP CHANNEL WIDTH.