Ocean Breeze Marine Speaker Spacer f/FUSION FR6022 - 6" Speakers - .75" - Black [FS- FR6022-600-75-BLK]Speaker Spacer for FUSION FR6022 6" Speakers . 75" Black Don'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 . 75" Edge 1 16" Round Outer Diameter 6. 94" or 176 mm Bolt Hole Diameter 6. 13" or 156 mm Mounting Hole Diameter 5. 35" or 136 mm Compatible With: FR6022 *Sold as a Pair This product may not be returned to the