4 Hole, Flat Plate FittingHole Diameter: 9/16" (14.3 mm)Hole Spacing (From End): 13/16" (20.6 mm)Hole Spacing (On Center): 1-7/8" (47.6 mm)Width: 1-5/8" (41 mm)Thickness: 1/4" (6.4 mm)