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Humanscale Corner Sleeve DE300

item#: HUS099

The Humanscale Corner Sleeve DE300 will help increase your desk space and keyboard accessibility by turning a 90 degree desktop corner into a diagonal corner. This will allow users to mount a Humanscale keyboard tray into a tight space. Humanscale DE300 Corner Sleeves fit desks 1" to 1.5" thick.


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  • Details

The Humanscale Corner Sleeve DE300 aids users looking to mount a Humanscale keyboard tray on a corner of an L-shaped desk. This easy-to-use corner sleeve turns a 90 degree desktop corner into a diagonal corner, increasing usable desk surface area.

Humanscale DE300 Features

  • DE300 fits desks 1.5" to 1" thick
  • Dimensions: 6" diameter
  • Compatible with any Humanscale keyboard tray or mouse platform.

Professor Ergo's Thoughts:

An adjustable keyabord tray is an essential part of an ergonomic workspace. I like to recommend this Humanscale Corner Sleeve DE300 when users need more desk space to properly mount a keyboard tray to a corner desk. It's a simple solution that will help you access the many benefits of using a keyboard tray while you work.

Customer Reviews

Humanscale Corner Sleeve DE300
$21.35
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