Includes additional 'cam-buckle' to help counter the extra weight while the arm is fully extended. Most ergonomic work solution on the market. Slide out arm that extends the work tray another 23 in. from the edge of the desk. Providing an extra long 'reach' over to the mobile worker. Tray comes with a non-slip pad, providing extra security so the laptop or tablet with keyboard won't move around while working. Additional security strap for a laptop or a tablet with a built-in keyboard. Keep all of your valuables safe with the hidden storage space located beneath the desk work surface. Can be placed in the front passenger seat. Ideal for larger trucks like the F-150 up to the F-450. Made in USA. 25.25 in. L x 17 in. W x 11 in. H (21 lbs.).