8Pcs car speaker spacers are made of solid wood material. It is useful and long service life. ^^ Fit for
Speaker Dia: 4", Thickness: 15mm / 0.60", Inner
Diameter: 91mm/ 3.58" '
Outer Diameter: 135mm/ 5.31", Size: 135x15mm/ 5.31" x 0.60" (OD*H) ^^ It serves as a car speaker stand. Fits most speakers on the market. Good for Universal car audio modification project. ^^ Choose the right speaker spacer rings to directly install and fix on the speaker.
^^ Package Includes: 8 Pcs Car Speaker Spacer Rings.