Universal laptop / accessories shelf. Universal clamp suitable for mounting onto a tube diameter from 0.6" to 2". Tray angle can be adjusted from -90 degrees +90 degrees. The tray has tilt adjustment from 0 to 45 by a secure locking pin system. 'Flip up' metal brackets at the front of the tray to stop laptop/equipment sliding forwards. Supplied with self adhesive foam backed pads to protect your equipment. 'V' shaped clamp mounting system with foam covered screw bolt to attach to an upright pole.