Mount-It! Under Desk Keyboard Tray, Adjustable Slide-Out Keyboard & Mouse Platform, 26.5″ W × 10″ D, Ergonomic Wrist Rest, Height Tilt & Swivel, Heavy-Duty Bolt-On Keyboard Drawer

Price: $169.99
(as of Jul 15, 2026 08:06:24 UTC – Details)

Product description

Mount-It! Sit Stand Keyboard Tray, Height Adjustable Under Desk Keyboard and Mouse Pad, Full Motion with 13.4″ of Vertical Adjustment, 26.5″ Platform

The Mount-It! MI-7139 Sit Stand Full Motion Keyboard Tray is the perfect keyboard platform to compliment any Mount-It! tabletop sit stand converter. The under-desk design has up to 13.4″ of vertical height adjustment so you can quickly raise the keyboard tray from a sitting to standing position to match the height that you might raise your monitor to using the sit stand on your tabletop. The keyboard platform slides back underneath your desk so it’s completely out of the way.

The wide, 26.5″ keyboard platform fits a full-sized keyboard and mouse pad, and it also features a comfortable wrist rest. The adjustable tilt function allows you to find the optimal ergonomic wrist angle, while the whole keyboard platform can swivel 180 degrees to the left and right for the perfect sitting or standing position at your desk. The MI-7139 is constructed of heavy-duty materials and it sets up in a matter of minutes under your desk. Make your workstation the most comfortable place in the office! PLEASE NOTE THE TRACK MEASURES 5 INCH WIDE AND 25 INCH LONG. PLEASE ENSURE ADEQUATE SPACE IS AVAILABLE UNDER DESK FOR THE TRACK.

SPECIFICATIONS:

KEYBOARD PLATFORM DIMENSIONS: 26.5″ L x 10″ D

UNDER-DESK MOUNTING BRACKET: 25″ D x 5.75″ W

UNDER-DESK TRAVEL: Keyboard tray slides underneath desk on tracks

HEIGHT ADJUSTMENT: 4.7″ below the tabletop and 8.7″ above the tabletop

SWIVEL: +/- 180 degrees

TILT: +15 degrees / – 13 degrees

COLOR: Black

Reclaim desk space and improve comfort – Store your keyboard and mouse underneath the desk to free up surface space while creating a cleaner, more organized workstation.
Adjust for personalized ergonomics – Easily fine-tune height and tilt with a simple control knob, then swivel the tray left or right to support a more neutral typing position throughout the workday.
Extra-wide one-piece keyboard platform – The 26.5″ W × 10″ D solid under desk keyboard drawer provides ample room for full-size keyboards and mouse use without seams, flex, or cramped layouts.
Smooth slide-out positioning – Keyboard tray glides on under-desk tracks and functions as a slide-out keyboard tray under desk, letting you pull it closer while typing or push it away when not in use.
Comfort-focused wrist support – Integrated gel wrist rest pads on both the keyboard tray and mouse platform provide soft support during extended typing and navigation.
Stable, wobble-free typing surface – Heavy-duty steel construction and secure bolt-on mounting deliver a firm, professional-grade ergonomic keyboard tray that stays steady during daily use.
Straightforward installation with expert support – Includes all required hardware, product-specific instructions, and step-by-step video guidance. Backed by US-based technical support for a frustration-free setup.

Product summary

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