Unity Tool Inc. Tweak board
Our site partners, Kimihiko Yano, have got the lowdown on their site about this tweak board made by American company, Unity Tool Inc. As you can see from the picture, it is suitable for 1/12th scale chassis’ but also for 1/10th and 1/8th scale too, and basically allows you to measure and set your cars track width, camber, caster, toe in, toe out as well as helping you tweak your car correctly. The whole kits comes apart to be put away back in the supplied carry bag and if you havent seen this before you can see more pictures of it in its various uses here.
Source: Kimihiko Yano [kimihiko-yano.net]