Dimension: opening 63mm * length 85mm
Outer diameter: 70mm, inner diameter: 50mm
Bottom outer diameter: 60mm
| Middle tunnel shaped sound hole, sound hole, phase |
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| Item： | Medium tunnel shaped sound guide hole | Product Name： | Middle tunnel shaped sound hole, sound hole, phase |
| Descriptions： | Material: black ABS
Dimension: opening 63mm * length 85mm
Outer diameter: 70mm, inner diameter: 50mm
Bottom outer diameter: 60mm |
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