
- Provides speaker shafts with M20 universal subwoofer adaptability
- 1 3/8" taper and removable M20 lug eliminates wobble and makes for a universal fit for all subwoofers on the market
- Solid steel construction

- Eliminates speaker wobble
- Easy on, easy off
- Oversized manual activation ring makes it easy to engage/disengage the anti-wobble feature
- Expanding pressure pads fill gaps between the pole and insert
- Works with any 1 3/8" cup mount