Features: . The speaker cover round mesh grill, in matte black, is made of high quality cold-rolled steel. Can effectively protect the speaker from rips, cuts, and accidental kick-ins. Easy to install, just insert the mesh grill into the speaker and slightly secure it. Specifications: Frame Material: ABS Metal Mesh: Cold Rolled Steel Frame Color: Silver Mesh Color: Black Size: (Approx.) 1 inch: Outer diameter: 50mm, inner diameter: 42.5mm, diagonal screw hole center point distance: 49mm 2 inch: Outer diameter: 90mm, inner diameter: 81mm, diagonal screw hole center point distance: 89mm 3 inch: Outer diameter: 106mm, inner diameter: 98mm, diagonal screw hole center point distance: 104mm 4 inch: Outer diameter: 126mm, inner diameter: 117mm, diagonal screw hole center point distance: 124mm 5 inch: Outer diameter: 148mm, inner diameter: 140mm, diagonal screw hole center point distance: 146mm 6.5 inch: Outer diameter: 180mm, inner diameter: 170mm, diagonal screw hole center point distance: 175mm Quantity: 1 Set Note: 1. Transition: 1cm = 10mm = 0.39 inch 2. Please allow 01cm error due to manual measurement. Please ensure you are comfortable with this before purchasing. 3. Due to differences between monitor displays, the picture may not reflect the actual color of the item. Thank you! Package includes: 2 x Speaker Grill Mesh