I must say there is never a solid hard rule for Rogers, 14x 14's are hard to find period! but fullertons come in alot of surprises i have a set that has two floor toms 1 16x16 and 1 16x18 one has the cast type knobbies one has the Machined one has a powertone tag the other has a holiday tag and both say Fullerton..so it depends on when they were bout and what parts Rogers had left over this set was all bought at the same time yet there are differences...
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