Inner Baffle for 16cm Japanese-Made Speakers, Compatible with Daihatsu and Suzuki Cars Outer Diameter: Approximately 165mm, Inner Diameter 128mm, Thickness 13mm, 4 pieces Material: MDF (Unpainted) Compatible car models include: Daihatsu: Move, Mira, Tanto, Thor Suzuki: Wagon R, Every, Lapin, Spacia, Hustler, etc. *Please refer to the hole positions in image 3. Shipping Method: Yu-Packet Post (Tracking and Compensation Available)