742 MEDIUM OVERSET COUPLER-O QuickBooks Matt dimensions: 100"x50"

Matt dimensions: 100"x50"

operating knuckle couplers

On3 & O Scale Couplers

AIM-120C AMRAAM

smudges and dust from all model locomotive shells

742 MEDIUM OVERSET COUPLER-O QuickBooks Matt dimensions: 100"x50"#742 Type E Medium Overset Metal Couplers with Plastic Gearboxes Black O Scale This industry leading coupler features New Generation AAR Type "E" "Prototype" Head Medium Overset Metal Couplers, and #850 O Scale centering spring and comes complete with Plastic Gearboxes and lids The #742 Metal Coupler may be mounted with the included #817 Plastic Gearbox or #818 Metal Gearbox (sold separately), #819 Extended Metal Gearbox (sold separately). It is not