MCH52 - HO Knuckle Spring Coupler. IHC/RIV 4-Wheel (2pr) - HO Scale
MCH53 - HO Knuckle Spring Coupler. IHC/RIV 6-Wheel (2pr) - HO Scale
MCH54 - HO Knuckle Spring Coupler.IHC/RIV 6Wheel RPO (2pr) - HO Scale
MCH56 - HO KS Coupler IHC/RIV. Locos & Rolling Stock (2pr) - HO Scale
