Specification:

Frame Material: ABS Plastic
Mesh Material: Cold Rolled Steel
Outer Diameter: 153mm / 6.02 inch
Inner Diameter: 120mm / 4.72 inch
Screw Hole Diameter: 4mm / 0.16 inch
Diagonal Center Hole Distance: 137mm / 5.39 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.
NOTE:Please measure the diagonal distance of the speaker mounting hole before purchasing