Hex Top Plate with Gasket, NKC150, 150 MBH, Fiberboard Burner Outside Diameter: 8 1/2", Inside Diameter: 5 3/4", Width: 1 3/16", Black Gasket Outside Diameter: 3 3/16", Inside Diameter: 2 5/16", Width: 1/16", Gasket Hex Burner Outside Diameter: 10 7/16", Inside Diameter: 8 3/4", Width: 3/16", Gasket Burner Outside Diameter: 7 1/8", Inside Diameter: 5 5/8", Width: 3/16", Plate Top Hex Tapped Outside Diameter: 10 3/8", Width: 5/32"