Just FYI, got one of these and it’s the perfect tool for the Roscoe truss rod.
Bondhus 3708 Extra Long 9/64" Ball End Screwdriver w/ProGuard Finish https://www.amazon.com/dp/B00RBGKHPO/ref=cm_sw_r_cp_api_i_TjhZEb990S7AD
I don’t see how that would work on the Roscoe basses.
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I needed a stock stacked set for my Roscoe Koa with the Nordstrand Vol/Vol to get rid of that tension with the chrome set, so that was a win. 