brand new and high quality Feature: Made of high-quality metal and plastic material, durable, firm and stable for us to use. It can be used to effectively protect our speaker and horn from dust, dirts, pollution and keep it have a long service life. Suitable for 1/2/3/4/5/6inch round speakers and horns. Easy to install, just insert the mesh grill in the speaker and slightly fix it. Speaker Grill Mesh only, other accessories demo in the picture is not included! Specifications: Item Type: Speaker Grill Mesh Material: Metal Cold Rolled Steel, ABS Plastic Size: 1 inch: inside diameter: 45mm/1.7in, outside diameter: 51mm/2in, hole diameter: 50mm/1.9in, height: 7mm/0.2in, thickness: 3mm/0.1in 2 inch: inside diameter: 84mm/3.3in, outside diameter: 90mm/3.5in, hole diameter: 88mm/3.4in, height: 10mm/0.3in, thickness: 6mm/0.2in 3 inch: inside diameter: 100mm/3.9in, outside diameter: 106mm/4.1in, hole diameter: 104mm/4in, height: 10mm/0.3in, thickness: 6mm/0.2in 4 inch: inside diameter: 119mm/4.6in, outside diameter: 126mm/4.9in, hole diameter: 124mm/4.8in, height: 10mm/0.3in, thickness: 6mm/0.2in 5 inch: inside diameter: 142mm/5.5in, outside diameter: 148mm/5.8in, hole diameter: 147mm/5.7in, height: 10mm/0.3in, thickness: 6mm/0.2in 6 inch: inside diameter: 173mm/6.8in, outside diameter: 180mm/7in, hole diameter: 178mm/7in, height: 10mm/0.3in, thickness: 6mm/0.2in Color: Black Surface Treatment: Spray Paint Quantity: 1 Pc Note: No retail package. Transition: 1cm=10mm=0.39inch Please allow 0-1cm 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! Package Includes: 1 x Speaker Grill Mesh