Speaker Spacer for JL Audio MX/M3/M6/M Series 7.7" Speaker - .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 - 7.70" or 196 mmBolt Hole Circle Diameter - 6.92" or 176 mmMounting Hole Diameter - 6.25" or 159 mmCompatible With 7.7":M6-770X-C-GwGw, M6-770X-S-GmTi, M6-770X-S-GwGw, M6-770X-C-GwGw-i, M6-770X-S-GmTi-i and M6-770X-S-GwGw-iM3-770-S-Gw-i, M3-770-S-Gm-i, M3-770-C-Gw, M3-770-S-Gw and M3-770-S-GmMX770-CCX-CG-WH, MX770-CCX-SG-WH, MX770-CCX-SG-TB, MX770-CCX-SG-CR, MX770-CCX-CG-TB, MX770-CCX-SG-WLD-B, MX770-CCX-SG-TLD-B, MX770-CCX-SG-CLD-BM770-CCS-CG-WH, M770-CCS-SG-WH, M770-CCS-CG-TB, M770-CCS-SG-TB, M770-TCX-CG-WH, M770-TCX-SG-WH, M770-TCX-CG-TB, M770-TCX-SG-TB, M770-TCS-CG-WH, M770-TCS-SG-WH, M770-TCS-CG-TB,M770-TCS-SG-TB, M770-CCX-CG-WH, M770-CCX-SG-WH, M770-CCX-CG-TB, and M770-CCX-SG-TB*Sold as a Pair