Bundle Deal Mobotron MS-526 Heavy-duty Laptop Mount + Screen Stabilizer Sure-grip laptop deck with extendable rear and front sliding bracket No drilling- make sure the passenger seat rail is flat and the bolt is easily accessible and visible Heavy-duty telescoping aluminum tube (30mm) - can be easily adjusted from 14 to 21 Hand-control pan - allows to adjust tray vertically (180) and horizontally (360) Two quick-release levers and knob-screws allow users to adjust deck into the best viewing angels