Specification: Optional size of 2/3/4/5?6.5/8/10 inch. Premium material made, durable and sturdy. Ideal replacement dust cap for your broken or old speaker. Type: Speaker Dust Cap Material: Plastic + Metal Quantity: 1Pc Features: Dust-proof, Replacement, Speaker Accessories Optional Size: [2 inch] Inner Diameter: 46mm/1.81", Middle Diameter: 84mm/3.31", Outer Diameter: 66mm/2.60" (Approx.) [3 inch] Inner Diameter: 72mm/2.83", Middle Diameter: 87mm/3.42", Outer Diameter: 95mm/3.74" (Approx.) [4 inch] Inner Diameter: 94mm/3.70", Middle Diameter: 107mm/4.21", Outer Diameter: 124mm/4.88" (Approx.) [5 inch] Inner Diameter: 120mm/4.72", Middle Diameter: 137mm/5.40", Outer Diameter: 153mm/6.02" (Approx.) [6.8 inch] Inner Diameter: 145mm/5.71", Middle Diameter: 167mm/6.57", Outer Diameter: 184mm/7.24" (Approx.) [8 inch] Inner Diameter: 186mm/7.32", Middle Diameter: 208mm/8.19", Outer Diameter: 225mm/8.86" (Approx.) [10 inch] Inner Diameter: 236mm/9.29", Middle Diameter: 261mm/10.28", Outer Diameter: 275mm/10.83" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Speaker Dust Cap