The DURA-BLOK DB10 channel support is designed for support of piping systems for communication wiring , cable tray , walkway systems and many other applications .It is UV resistant and suitable for installation on any type of roofing material or flat surfaces . Comes with a 14ga Galvanized Strut channel 1" High . Height 5" Width 6" Length 9.6" , Load Rating 500 lbs .