Unistrut 2-Hole 45-degree Closed angle connector features 1/4-Inch steel construction with electro-galvanized finish for long lasting durability. It measures 2-1/2-Inch x 1-5/8-Inch x 3-1/8-Inch. Connector has hole diameter of 9/16-Inch, 13/16-Inch spacing from end and 1-7/8-Inch spacing on center. It is perfect for use with channels.