I haven't accomplished as much as I would like lately but I have been doing some work.lol I wasn't able to get any metric angle but I finally managed to find some SAE aluminum that is close in size to the stock Tamiya trailer rails and easy to get. It is about .010 thicker and only 19mm on the top vs 20mm but I think it's close enough. Anyway, this is my first go at making the rails for these two trailers. The one trailer is running aluminum airbag suspension and axles from China and the other is using stock Tamiya tandems and suspension from Exclusive RC on the other two axles. Both will be finished completely different.