HON Slide away keyboard platform in mahogany finish measuring 1 1/8" x 21 1/2" x 10" is ideal for knee space credenza/workstation return and can be positioned 2" to 3 1/2" below worksurface. Can be positioned 2" to 3-1/2" below worksurface. Holds keyboards up to 21-1/2"W x 10"D. 1-1/8"H x 21-1/2"W x 10"D. For 10500 Series Workstation Return, Curved Corner Workstation; for 10600 Series Kneespace Credenza or Workstation Return; for 10700 Series Kneespace or Single Pedestal Credenza. Classic, traditional style with distinctive plinth bases, decorative moldings, precisely mitered corners and antique brass plated hardware. Slide-Away Keyboard Platform: For Workstation Return or Credenza. Model Option: H4022. N.