UNIVERSAL 5.25" SPEAKER COAXIAL COMPONENT PROTECTIVE GRILLS COVERS NEW PAIR SPEAKER GRILLS COMPATIBLE 5.25" ( 5 1/4" )SPEAKERSThe speaker decorative circles are made of metal cold rolled steel and plastic ABS, which is rustproof and durable.The speaker grill metal mesh comes with 8 screws, which can be directly fixed and easy to install. UNIVERSAL METAL MESH GRILLSA great speaker DIY accessory: Great for speaker cabinet, home speaker or car speaker. FRAME MATERIAL: ABS METAL MESH: COLD ROLLED STEEL FRAME COLOR: BLACK MESH COLOR: BLACK MAX OUTER DIAMETER: 1153mm / 6.02 inch INNER DIAMETER: 120mm / 4.72 inch