5 1/4" diameter steel canopy with 1/8IP slip center hole and bar holes 2 3/4" center to center, 1/2" height, with kit hardware including 4" offset crossbar with ground screw, 6.75" long ground wire with 2-#8 rings, WHITE cord grip bushing, 2 pieces1.5" long 8-32 screws, 2 pieces 1" long 8-32 screws, 2 matching acorn cap nuts, white