4 1-8 inch

Taylor AF300 3-Hole Angle Plate 1 5/8" x 4 1/8" Zinc plated steel For joining strut channel Leg lengths: 1 5/8 inch x 4 1/8 inch Leg Width: 1 5/8 inch Thickness: 1/4 inch Hole Size: 9/16 inch Hole spacing: 13/16 inch from edge and 1 7/8 inch on center