Product Characteristics: Car audio speaker spacer ring aid in audio speaker installation, play an important part in reducing resonance and making the speakers stronger. Replace new car speaker spacers adapter, provide better sound quality,fixed speakers to reduce door resonance. The ring mounting bracket is good partner for mounting new speaker. You can install the speakers you want by adding extra depth. Material:Speaker mounting bracket ring made of good ABS material, will not oxidize moisture-proof, durable, wear-resistant, long service life, smooth surface, not easy to fade, no scratches.Specification: Material: ABS Fit for Speaker Dia: 6x9" to 6.5" Depth 1: 6mm / 0.24" Depth 2: 22mm / 0.87" Inner Diameter 1: 130mm / 5.12" External Diameter 1: 170mm / 6.69" Inner Diameter 2: 170mm / 6.69" External Diameter 2: 260mm / 10.24" Inner Diameter 3: 145mm / 5.71" External Diameter 3: 230mm / 9.06" Suitable for: the speaker ring fits most 6x9" to 6.5 inch speakers for Ford F-150 2015-2022 for Ford Explorer Base/Limited/Platinum/XLT Sport 2015-2018 for Ford F250/350/450/550 2017-2022 for Ford Edge 2015-2021 for Ford Focus 2013-2018 for Ford Escape 2013-2021 for Ford for Mustang 2015-2021 for Ford Fusion 2013-2021 for Ford Transit 2015-2020 for Ford Mondeo 2007-2015 Package List:4 Pcs Subwoofer Speaker SpacerNote: Please ensure this part is suitable for your vehicle before purchasing. Please allow 3-5mm differences due to manual measurement.