t-slot bar
Ceiling Grid Options
Changing the t-bar style can drastically change the overall look of your ceiling.
Parco Inc.
How to Build a T-Slot Aluminum Workstation Desk With a Light and Accessories Bar: This is a 75"w x 84"h heavy-duty modular workstation desk using t-slot aluminum, featuring a built-in light and a versatile accessories bar.
Amazon.com : AboveTEK Vertical Laptop Stand, 3 Slots Aluminum ...
Introduction: How to Build a T-Slot Aluminum Workstation Desk With a Light and Accessories Bar.