The 6G 900 91 F is explained as: Mechanism: 6G The newest, slimmest option among the mechanisms with upgraded flexibility, offers adjustment from 5.5” below the track to 1.5” above the track. | Keyboard Platform: Those on the hunt for a simple, rectangular tray should look no further than the 900, the standard, most popular variant. | Mouse Platform: With a 91 10″ clip mouse tray, users can adjust their hand position dependent on preference and type of mouse. Clip platforms attach to rails on either the left or right side of most Humanscale keyboard platforms. They offer unmatched mobility, as a user can slide them forward and back along their rails, rotate them in any direction, adjust their height or depth, and tilt them independently of the keyboard platform. | Palm Support: The final component of a complete Humanscale Keyboard Tray, Palm supports make working a much, much more comfortable experience, and come in all shapes and sizes. It comes with a foam support covered in synthetic Leather
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Keyboard systems have effortless height and angle adjustment
Humanscale keyboard trays are solidly anchored to any work surface, and shape to specific user needs
Promoting negative tilt keying, the keyboard platforms will not go into a positive tilt
Uses a negatively sloped adjustable keyboard tray to maximise time spent working in a neutral hand, wrist and upper body posture
Allows the keyboard to be positioned anywhere from 0 degrees to a -15 degree angle