5.750 in. Lg, 3.00 in. W, four undimensioned mtg holes 2 each end1.875 in. Apart 0.562 in. From top and bottom, one oblong hole incenter 2.015 in. Diameter through center 3.00 in. Lg, tips of hole 0.800 in. W, two 0.250 in.Dia holes in line 1.75 in. From center of large hole, two0.169 in.Dia holes 1.875 in. Apart 0.562 in. From top and bottom of0.937 in. From center of large hole, 1 contains light 2 nut 2, panel 1