ErgoQuest™ Positive Tilt Keyboard Mechanism (EQ-PTKM-1)  tilts the keyboard and mouse through 60 degree range (+/- 30 degrees) providing a comfortable angle for sitting, standing, and reclining positions.  ergonomic efficiency which reduces risk of repetitive stress injuries like carpal tunnel syndrome.  Adjustments are made with a single lever. Adjusts to accept keyboards up to 9" measured from front edge to back.  Mousepad support attaches to right or left and has a cable guide to prevent dropping mouse. Steel construction with black finish.