The KMW60044 - Adjustable Articulating Underdesk Keyboard Platform go up and down 6".
The ALEVA312812BK - Alera Valencia Series Underdesk Keyboard/Mouse Shelf has a weight capacity of 3 lbs. It uses 5mm screws for installation, which are not especially long or load bearing.
This Alera underdesk keyboard has a weight capacity of 3 lbs.
First, we recommend you review our Guide: How to Choose the Best Ergonomic Keyboard Trays and Platforms. This will help to inform your decision and narrow your choices. In terms of Keyboard Drawers and Platforms, we offer many choices for curved workstations, which you can find here.
The monitor tray of the Comfort Desktop Keyboard Drawer is 30" L x 15.63" W x 2.75" H.
Easy Adjust Keyboard Tray Tracks are not are not sold separately. You'll need to buy the whole unit to replace the track. You can view the complete MMMAKT180LE Keyboard Tray assembly instructions here.
Keyboard drawers and platforms reduce desktop clutter, and allow you to work comfortable at your computer all day. On Time Supplies offers a wide variety of keyboard drawers and platforms, including great Innovera underdesk drawers and Global pullout shelves. Thanks to bulk pricing from On Time Supplies, you can furnish every work area with great keyboard drawers and platforms at great prices, while our fast shipping ensures your keyboard drawers and platforms arrive when you need them. If you need more information on any of the supplies and furniture featured at On Time Supplies, or on GSA pricing, call us toll free at 1-866-501-6055. We're happy to answer any supply questions.