Used to support the 6x4 and 4x4 systems by spanning two threaded rod drops. Can be installed from above or below. Bracket is secured to each threaded rod with two nuts. The pre-assembled slide clamps enable fast assembly to channel. Use 7/16-Inch nut driver on slide clamps. Panduit is a world-class manufacturer committed to innovation and excellence. Today, Panduit is recognized as a leading manufacturer of high-quality products for wiring and communications applications. This reputation gives the company a powerful advantage in today"s competitive worldwide marketplace.