Features:Shatter resistant - provide best protection for your speakers.Firm&solid - made of metal cold rolled steel + ABS material.Decoration circle - beautiful decorative circle speakers cover.Applications - speakers, small speakers, car speakers.Easy installation - perfect fitness&useful speakers protection.Specifications:Item: speakers coverMaterial: metal cold roller steel + ABSColor: silver plated ring + black iron meshInstallation diameter: Approx 49mmInner diameter: Approx 43mmSpeaker opening diameter: Approx 48mmPlastic frame outer diameter: Approx 50mmNet cover height: Approx 5mm (size error 1mm)Weight: Approx 14g/0.5ozDimensions: Approx 5 * 5 * 1.5cm/2 * 2 * 0.6inch (L * W * H)Package list:2 * Speaker CoversNote:Pleaseallow slight error due to manual measurement, thanks a lot!