Speaker Spacer for FUSION SG-SL102S - 10" Subwoofer - .50" - BlackDon'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 - 10.81" or 275 mmBolt Hole Diameter - 9.75" or 248 mmMounting Hole Diameter - 8.78" or 223 mmCompatible With:SG-SL102SPC and SG-SL102SPW*Sold as a Pair