Features: Material: Metal cold rolled steel and ABS. It can provide best for protection for your speakers. Elegant appearance make the entire horn protective cover look classy. Generally, the grill of the horn used for car subwoofers plays a role in protecting and decorating the horn, making it more classy. The speaker grill mesh is made of superior material to ensures stable quality and long for time use. Specifications: Material:ABS+Cold Rolled Steel Color:Silver+Black Option Size:3inch Speaker Grill Mesh,4inch Speaker Grill Mesh, 5inch Speaker Grill Mesh,6inch Speaker Grill Mesh,6.5inch Speaker Grill Mesh,8inch Speaker Grill Mesh,10inch Speaker Grill Mesh; 3inch Speaker Grill Mesh Size:Outer Diameter:94MM,Inner Diameter:73MM,Diagonal Two Screw Holes Center Spacing:83MM; 4inch Speaker Grill Mesh Size:Outer Diameter:124MM,Inner Diameter:92MM,Diagonal Two Screw Holes Center Spacing:108MM; 5inch Speaker Grill Mesh Size:Outer Diameter:153MM,Inner Diameter:120MM,Diagonal Two Screw Holes Center Spacing:138MM; 6inch Speaker Grill Mesh Size:Outer Diameter:176MM,Inner Diameter:146MM,Diagonal Two Screw Holes Center Spacing:155MM; 6.5inch Speaker Grill Mesh Size:Outer Diameter:193.5MM,Inner Diameter:158MM,Diagonal Two Screw Holes Center Spacing:170MM; 8inch Speaker Grill Mesh Size:Outer Diameter:227MM,Inner Diameter:183MM,Diagonal Two Screw Holes Center Spacing:199MM; 10inch Speaker Grill Mesh Size:Outer Diameter:274MM,Inner Diameter:235MM,Diagonal Two Screw Holes Center Spacing:243MM; Package Includes: 2x Speaker Grill Meshes note: Please allow 1-2cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!