Material - Frame: ABS Plastic; Mesh: Cold Rolled SteelOuter Diameter: 153mm / 6.02 inch; Inner Diameter: 118mm / 4.65 inchScrew Hole Diameter: 4mmx5mm; Mounting Hole Distance: 137mm / 5.39 inchProtect your Subwoofer from cuts, rips, tears and dents.DIY speaker grille, suitable for DIY speakers and cars speaker decorative circle.
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