DIMENSIONS - These goof Trim rings have an outer diameter of 8.62 inches, an inner diameter of 4.76 inches and an thickness of 0.35 inches SUPER EASY TO INSTAL- No tools are required for install. This goof ring should sit between the downlight and the ceiling. Put the goof tim into the back the light. This goof trim rings are five colors: White, Black, Chrome,Bronze or Brushed Nickel. CLEAN LOOK - Easily offer a clean look, The Trim rings cover up unsightly ceilings with mis-cuts or oversized holes. This recessed light trims can extend the trim of your recessed lights. Widely application- The retrofit downlights trim ring are designed to fit 4/5/6 inch Recessed Cans for Ceiling Light Fixtures. Goof trim ring can be widely used in downlight ,fixtures and ceiling fans. No tools or hardware required. Quality warranty: The Goof rings for 5/6 inch recessed lights are. Safe for your family and environment. Please kindly contact us if there is any quality problem. Jolux 4 Pack Matte Bronze Goof Trim Ring for 5/6 " Inch Recessed can Lighting Downlight，Plastic，Outer Diameter 8.6 Inches, Inner Diameter 4.7 Inches.