This is the only dovetail works with RED bottom plate, you can slip camera to adjust the balance, and Allstar shoulder can mount on it directly.
If you work with RED base production pack, you must need it.
Now, RED dovetail plate is offer for $400, oconnor type $440
This product has been discontinue, it is not much stock right now.
Please E-mail to order: firstname.lastname@example.org
More info: http://allstar-cine.myweb.hinet.net/...tail_plate.htm