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Building the CPR Kootenay division in N scale, blog here: http://kootenaymodelrailway.wordpress.com/
--David
QUOTE: Originally posted by BR60103 Steve: you may also find the horn-hook couplers called NMRA or X2f, which is the designation that the NMRA committee gave it. Neither name is right, but they are often called that. There was a coupler some years ago (I think by Bachman) that was supposed to mate with both the Kadee and the horn-hook. It fitted in the standard Athearn/Kadee#5 box. I have a card of them someplace in the basement.