I dropped my Lionel 253 off at Hennings to the couplers replaced as they had snapped off and told them I wanted "hook/latch coupers". Later I realized that the ones I want are simply called latch couplers, not to be confused with the combination coupler which combines the a latch and hook type.
Should I call them to clarify or am I over reacting? As everyone here knows, Henning's is one of the best when it comes to quality of repairs and knowledge of trains so they probably already know that 253 have the former of the two coupler types listed above; however they might just follow the "doctors orders" and put on the combination couplers.
Admittedly, I get too caught up in the small details at times (who doesn't?), but don't want to have to get the couplers re-replaced. I don't want to waste their time or confuse things farther.