<ul><li>Frame Material: ABS Plastic; Mesh Material: Cold Rolled Steel</li><li>Outer Diameter: 124mm / 4.88 inch; Inner Diameter: 92mm / 3.62 inch</li><li>Screw Hole Diameter: 4mm / 0.16 inch; Diagonal Center Hole Distance: 108mm / 4.25 inch</li><li>Distribute screws, make you more convenient installation.</li><li>Great for speaker cabinet, home speaker or speaker.</li></ul> Specification: Frame Material: ABS Plastic Mesh Material: Cold Rolled Steel Outer Diameter: 124mm / 4.88 inch Inner Diameter: 92mm / 3.62 inch Screw Hole Diameter: 4mm / 0.16 inch Diagonal Center Hole Distance: 108mm / 4.25 inch Package Content: 2pcs x Speaker Grill with Screws Description: Distribute screws, make you more convenient installation. Great for speaker cabinet, home speaker or speaker. Protect your Subwoofer from cuts, rips, tears and dents.

uxcell 2pcs 4" Speaker Grill Mesh Decorative Circle Subwoofer Guard Protector Cover Accessories