The type of Oak tree, age, density, it's grain, it's milling, whether it is/how it is dried or aged and the quality requirement, if any, by the seller is hard to examine. I doubt if there are any bad boards sold by any of these companies. Maybe there are reviews on the web. We will hear from members who have use these sources I'm sure. A concerned person would search other "truck" websites. I would. A major factor is the reputation and return policy of a company. I highly doubt there would be a fit problem. They would all be milled on a machine with accurate settings. Just the grain/looks and dryness/after warp.
