Advantage: 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.Functionality: Material:ABS Fit for Speaker Dia:6.5" Depth: 16.7mm / 0.66" Inner Diameter: 152mm/5.98" External Diameter: 174mm/6.85" Compatibility: the speaker ring fits most 6.5 inch speakers. for Fiat 500X / 500L - all models [front / rear position ] for Fiat 500 / 500 desdeart - all models since 2007 [ position front ] for Fiat New Panda - since 2012 [ position front / rear ] for Fiat Ducato - since 2006 [ position front ] for Fiat Grande Punto / Punto evo - all models [ position in front ] Installation Steps:Speaker mounting bracket ring installed on the car audio system, utilizing existing vehicle mounting points without cutting or drilling.Package Content:2 Set Subwoofer Speaker SpacerAttribute:This product is a speaker mount recessed bezel spacer and without internal speaker ring.Kindly Know:Please ensure this part is suitable for your vehicle before purchasing.