Angle Ring; Item Angle Ring; Overall Size 30-3/16 Inch Inner Diameter x 34-1/8 Inch Outer Diameter x 2 Inch Width x 2 Inch Height; Ring Size 30 Inch; Hole Center 32-3/8 Inch; Hole Size 7/16 to 9/16 Inch; Number of Holes 16; Material Thickness 3/16 Inch