Originally Posted by Grenade10
I did not see this posted before, but the tweek / set up station from Unity Tool (I've owed one for 15+ years) will do 1/12, 1/10 and 1/8. Great workman ship and all ways well used. The new blocks are on my Christmass list, as the older I get the worse my eye sight is!
The Holeshot did 1/12th and 1/10th in both size axles and attached to the front axle eliminating any inaccuracies in rim deformation or bearing play. Best of all it was only about $35
Looks like they are still making it! I found it today on their website
http://holeshotrp.tripod.com/id6.html