Screw Hole Diameter: 4.5mm, Mount Hole Distance: 155mm / 6.1"
Suitable for 6.5" DIY speakers and cars speaker decorative circle, Protect your Subwoofer from cuts, rips and dents
NOTE: our product is two-piece design, after the screws are installed, the joint between the screen cover and the frame needs a small amount of glue for reinforcement, to prevent the screen cover from fell off in vibration