Power Strut Welded back-to-back double-sided channel features elongated holes with a size of 9/16-Inch x 1-1/8-Inch Dia. The channel in silver color, has pre-galvanized finish and grade 33 steel construction for durability. This 14-Gauge thick channel has a dimension of 1-5/8-Inch x 1-5/8-Inch x 10 ft.