4mm scale oo gauge. they are laser cut with a scored line to aid folding.
bachmann mk2 bellows corridor connectors x 5 oo em p4 finescale
hornby mk1 bellows corridor connectors x 6 oo em p4 finescale
C83 Hornby Mk2 Brake Corridor Second M14052 Blue/Grey Coach Used Fair OO Gauge
