Editorial Product Review:Item Description:Articulating Arm (Waterloo Economy Keyboard Arm Teflon Slide) Features: Storable slide action. Ball bearing slide. Install length: 21'. Out: hold or lock. Load: 100 lbs. Tray support: Tilts: 30 Degrees (15 Degrees forward, 15 Degrees back). Rotates: 360 Degrees. Adjustable height: 12'. Knob adjustment. Color: Black. Tray (Waterloo Basic Keyboard With Mouse Tray Black) Features: Molded polymer keyboard tray with sliding MDF mouse tray. Outside tray dimensions 21' x 10 1/2'. Non-handed mouse tray slides left or right (9' x 8 1/2'). Mouse tray stores under keyboard tray. Reinforced with metal inserts. Accessories available: Search: Waterloo Molded Foam Pad Palm Rest With Steel Insert Black.
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Buyer Reviews
Average Buyer Rating:
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What an awesome product
To anyone that is interested in getting a sit/stand articulating keyboard arm, this is a REALLY NICE product. I've purchased millions of dollars of systems furniture and with it... a few thousand keyboard arms, of varying manufactures. This one is of steel construction (track, arm, and tray structure)the actual tray is plastic but well built and the High Density Plastic slide mouse (left and right) is of great quality. The articulating arm has a vertical articulation of 12" with a tilt/lift function. The slope is a gear screw that loosens and tightens with a high quality lever arm. As an ergonomic specialist... I highly recommend this product!!!!! The installation is easy (and obviously I've installed a "FEW"). The mouse has a lower platform, typical of a slide tray. For those that have RPMD (repetitive motion disorder) the mouse is as importat as the keyboard, which is as important as the arm. buy a vertical mouse and/or keyboard from comfort at (I'm not the owner or an employee, but a user) http://www.comfortkeyboard.com/
Customer Rating: -
heavy, strong, issue with directions
This is a strong keyboard tray and really heavy and stable. The directions consisted of two different sheets of directions (not so good) and I also had leftover screws that didn't fit anything. A good deal except for the directions.
Customer Rating: 
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Rocket Scientist Required
This a well-made,sturdy tray; however, the slide rack was much too long to fit my standard-sized desk. I also found the instructions were seriously inadequate. The biggest problem was the adjustability of the height -- I could never get it down to a comfortable level. This would be a good tray for very large desks and for those who need the tray to be at a higher level, but I do not recommend this for anyone with a U-shaped desk or anyone who likes a tray height that does not stress the shoulders.
Customer Rating: -
Great keyboard tray, with only a couple small items keeping it from perfection
Great keyboard tray. Extremely solid with quality workmanship seldom seen these days. Miles better than the many other trays out there that I've seen and tried out.
A couple things keeping it from being perfect:
1. The slide out mouse tray doesn't lock in place (it's just a nice plastic board that slides underneath to the left or right of the keyboard as necessary) so it can start rattling when typing and move in and out. It would be much preferable to have the mouse tray bolt on to either side, and actually wrap to the front to make it closer to hand. I'm thinking of putting together something myself to do so on both sides.
2. I have such long arms that any tray/desk I use must be as skinny as possible. This tray is over one inch thick (especially due to the the mouse tray receptacle all the way along the bottom). As such, it is extremely solid in construction, but definitely takes up too much room (especially with a large natural keyboard, space is at a premium under and in front of the desk).
3. And last, just a very small issue that warrants mentioning: the boom that makes it so you can sit or stand with it juts down - I've banged my leg on it a couple times. Having said this, I don't see how it could be designed any differently considering the fact that the boom has to go somewhere.
All in all, very pleased with my purchase.
