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AD Keyboard Tray

Item #: HSAD
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AD Keyboard Tray



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Keyboard Platform
Mouse Platform
Palm Support
Keyboard Track

AD Keyboard Tray by Humanscale

The AD keyboarding system features an extra-long arm that reaches both above and below the work surface. This keyboard tray is perfect for desks that have multiple users due to its wide range of adjustable heights.

AD Features

  • 10" height adjustment (5" below track and 5" above track)
  • Comes standard with a 25" track for unmatched stability
  • Mouse platforms for left and right-handed users, all adjustable to allow you to change the position of your mouse in seconds
  • Adjustable keyboard tilt angle
  • Foam or gel palm supports with a synthetic leather covering support your hands while typing

Adjusting the AD Keyboard Tray

To adjust platform height:
Lift front edge of keyboard and position at desired height. The platform will automatically lock into place when released.
AD Keyboard Tray Height Adjustment

To adjust platform tilt:
Unscrew Angle Adjust Knob until loose. Adjust platform to desired tilt. TightenAngle Adjust Knob.AD Keyboard Tray Tilt Adjustment

Mouse Pad Options

Swivel Mouse Platform
The swivel mouse pivots in a motion parallel to your keyboard platform. Available in a left handed, right handed, or dual version (great for multiple users).

Clip Mouse Platform
The Clip Mousing platform gives the user added adjustability when manipulating the location of their mouse in relation to the keyboard. It can slide along the side of the keyboard platform and tilt up and down, allowing it to match the optimal ergonomic position for your wrist. The High Clip Platform allows you to position your mouse over your numeric keys (for users who rarely use the numeric keys on their keyboard).Humanscale High Clip Mouse Platform

High Clip Mouse Platform


Keyboard and mouse platforms are made of phenolic, a composite made from wood pulp and resin that is durable and easy to clean.

Standard keyboard platform: 19" w x 10.625" d
Compact keyboard platform: 19" w x 8.4" d
Diagonal keyboard platform: 19" w x 12.625" d
Keyboard platform height: 10" height adjustable (5" above track to 5" below track)
Mouse platform: 8" or 8.5" diameter
Track length: 25" standard (other track length options are available upon request)
Keyboard Platform Standard
Keyboard Platform Compact
Keyboard Platform Diagonal


The Humanscale AD Keyboard Tray is made of is made of 25 percent recycled content.


View Humanscale AD installation instructions.

Viewing installation instructions requires Adobe Reader. To download the latest version of Adobe Reader, please click here.


HumanscaleHumanscale's focus since its inception in 1982 has been providing outstanding ergonomic keyboard trays for the home and the office. Their products, which range from task chairs to keyboard trays to CPU holders, are all geared towards making life simpler, easier, and healthier for anyone who works at a desk. Widely recognized for their line of office seating, Humanscale has done much to advance design in some newer product areas- namely in computer and office accessories such as monitor arms, foot machines, and the ergonomic computer mouse. Winner of numerous design awards, Humanscale continues to deliver groundbreaking office tools that combine simplicity, aesthetics, and ergonomics.


Humanscale products come with free standard shipping for destinations within the contiguous United States.

Humanscale keyboard trays generally arrives within 1-2 weeks from the date of purchase. For more information, please view Smart Furniture's shipping rates, options, and delivery policies.

Product Q&A

Q: How does this attach to my desk?
A: Humanscale keyboard trays utilize a convenient tape to fix the keyboard track under your desk before securing it to your desk with screws. For detailed instructions, please the Installation Instructions section.

Q: Which size keyboard track should I get?
A: Basically, you want to make sure your desk is deep enough to fit the track with some room to spare. If your desk is at least 28" deep, we recommend the standard 25" long track for the AD keyboard tray. If your desk is less than 28" deep, you may want to get one of the shorter tracks.

Q: Are there any desk features that are incompatible with this keyboard tray?
A: There are a few things that could prevent the keyboard tray from securing properly to your desk. If you have a pull-out pencil drawer in the front of your desk or structural components protruding from the underside of your desk, for instance, they would interfere with the keyboard tray. Keyboard trays are designed for use with flat surfaces that are void of obstructions. Also, you should make sure the front of your desk is wide enough for the keyboard platform (the smallest available keyboard tray is 19" wide). For example, if you have file cabinets on the side of your desk, check to make sure that the opening for your legs is wide enough to accommodate a keyboard tray.


Humanscale keyboard trays come with a 15-year warranty.


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