- Hole cutout of 9.25"
- Outside diameter 13"
- Will allow you to install a 10" speaker in a 12" speaker hole
- Made with 1/2” , 3/4" or 1” MDF Wood
- Can be used to extend speaker mounting depth on a box
- Other hole sizes and wood thickness available upon request
- Can be used for fiberglass projects
- This listing is for 1 piece
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- Have a custom design idea, we can build it