The UST-1 solid universal joint gives a stronger, more solid fix allowing angles to be set freely. For the MHW-3, the UST-1 is used instead of the B-9 to enhance stability.

* Separately sold AP-13-3 Patch Clamp Headstage Holders mountable.
| Accessory included | Hex Wrench |
|---|---|
| Dimensions/Weight | W105 × D30 × H55mm, 130g |