The Leader arm is a lever-free arm which adjusts easily and gives excellent platform stability. The Height Range adjusts above and below the desktop to fit users of varying heights and sets the best platform angle whether you are sitting, standing, or reclining. The Leader arm fits any keyboard style - rectangular or curved keyboards - and even holds your documents in front of you while you type with it's built in Document Holder. You can attach and remove platforms in seconds without tools or hardware, and platform stores completely under a 22 inch to 24 inch worksurface.
The Leader 9 package includes a Single round mousing surface that swivels and retracts under the keyboard for ease of storage , Leader arm (Standard), Simple platform (19 inches wide) and 21 -3/4 inch teflon track.
It is compatible with straight worksurfaces, 11 inches or greater diagonal corners, and 12 inches or larger curved corners.