Metal Knuckle Couplers "SF" Shelf Type Medium (19/64") Centershank 2 Pair by Kadee Quality products / HO Scale #118 SF metal shelf Whisker¨ Magne-Matic¨ coupler kit. Medium 9/32" centerset shank with #242 draft gearboxes.
Comes in a pack of 1 or 25
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