Magnetic Vertebrae Cable Management: Flexible cable channel attaches to any metal portion of a desk frame with a magnetic end measuring 2.7 x 1.5. Designed to safely organize AV and power cords, it works with both height adjustable and stationary desks Block System: Features snap-together interlink blocks with a 5.1-inch diameter steel base plate for stability. The 4-way channel entry design makes it easy to slip cables in at any angle