Description Features: 1.Every product has a unique Manufacturing Part Number label on the inner package that proves it has been qualified,which include Part Number,Model Number and inspection date information;2.If you have any questions about the item,please provide us the Manufacturing Part Number for checking,your profits will be guaranteed.3.Metal speaker grill protects against speaker damage;can be used to protect objects being inserted into port holes.4.Speaker decorative ring is suitable for DIY speaker and car audio, ceiling speaker and subwoofer. 5.Outer Diameter:240mm,Diagonal Screws Spacing:208mm,Inner Diameter:185mm.Specifications:Material: Cold rolled steel+plastic ABSColor: WhiteInner diameter: 185mm/7.28inchOuter diameter: 240mm/9.44inchTwo screw holes center spacing: 208mm/8.18inchWeight: 136gPackage include:1 x Speaker Mesh Grille Cover