- M20 threading eliminates wobble at subwoofer
- All-steel shaft adjusts from 30″-54″ with a friction locking knob and security pin for added security.”
- Fits 1 3/8″ speakers and subwoofers
| Application | Subwoofer Shaft with M20 |
| Length | 30″ – 54″ |
| Diameter | 1 3/8″ |
| Weight Capacity | 80 lbs. |
| Construction | Steel |
| Color | Black |


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