Speaker Spacer for FUSION SG-F772W - 7.7" Speakers - .50" - WhiteDon't have enough depth to install your speaker/subwoofer? Problem solved these spacer rings give you that extra space needed to mount your speaker/subwoofer.Specifications:Thickness - .50"Edge - 1/16" RoundOuter Diameter - 8.69" or 221 mmBolt Hole Diameter - 6.94" or 176 mmMounting Hole Diameter - 6.14" or 156 mmCompatible With:SG-F772W*Sold as a Pair