The keyboard and mouse tray by ESI can be mounted to straight edge and 21" or larger diagonal worksurfaces. It has a comfortable design that moves the mouse area forward and a 26.5" reversible platform that can be installed on either side to accommodate left or right hand users. Other features include 360º glide track rotation and an articulating arm that is height adjustable, angle adjustable and it can be positioned flush to the worksurface. Quality guaranteed with a 15 year warranty on the platform and a 2 year warranty on the palm rest.