Kadee H.O.n3 Scale 705 Assembled Metal Coupler -- Medium Centerset, 2 Pair

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Kadee H.O. Scale 156-25 Whisker(R) Scale Knuckle Couplers - Kit - Magne-Matic(R) -- Long Centerset Shank - 25 Pairs

Kadee H.O. Scale 148-50 Bulk Pack - 50 Pairs #148 Whisker(R) Metal Couplers -- Medium (9/32") Centerset Shank

Kadee H.O. Scale 11 Bulk Pack No.5(R) Knuckle Couplers -- No Draft Gear Boxes - 20 Pairs

Kadee H.O. Scale #158 Whisker(R) Scale Self-Centering Knuckle Couplers - Kit - Magne-Matic(R) -- Medium 9/32" Centerset Shank with #242 Draft Gear Boxes - 2 Pair