Speaker Accessories -Car Speaker Subwoofer Mesh Steel Subwoofer Grill Cover Silver Silver 4inch Highlights Generic Brand Car Speaker Subwoofer Mesh Steel Subwoofer Grill Cover Silver Silver 4inch Description: Material: cold rolled steel, ABS plastic . With 4 screws, directly fixed, easy to install. DIY grille, suitable for DIYers and car decorative circle. Protects your subwoofer from cuts, rips, tears and dents. This grid is available in the following sizes: 4 inch, 5 inch, 6 inch and 8 inch. Specification: Dimension: 4inch: Outer Diameter: 128mm/5.04inch, Diagonal Screw Hole Spacing: 109mm/4.29inch, Inner Diameter: 93mm/3.66inch, Iron Mesh Diameter: 122mm/4.80inch 5 Inches: Outer Diameter: 158mm / 6.22inch, Diagonal screw hole spacing: 139mm / 5.47inch, Inner diameter: 119mm / 4.68inch, Iron mesh diameter: 152mm / 5.98inch 6 inch: Outer diameter: 188mm / 7.40inch, Hole spacing Diagonal screw holes: 169mm / 6.65inch, Inner diameter: 146mm / 5.74inch, Iron mesh diameter: 182mm / 7.17inch 8 inch: Outer diameter: 228mm / 8.98inch, Diagonal screw hole spacing: 209 mm / 8.23in, Inner diameter: 186mm / 7.32in, Wire mesh diameter: 222mm / 8.74in Package includes: Car speaker steel mesh cover, 1 piece Screws 4 pieces Note: Color may be slightly different due to the color calibration of each monitor. Please allow slight measurement deviation due to manual measurement.