Power Strut 3-Hole Flat angle plate features steel construction with electro-galvanized finish for long lasting du73ility. It measures 3-1/2-Inch x 1-5/8-Inch x 3-1/2-Inch x 1/4-Inch. It has hole diameter of 9/16-Inch, 13/16-Inch spacing from end and 1-7/8-Inch spacing on center. Flat angle plate meets ASTM standards.