4mm scale oo gauge. they are laser cut with a scored line to aid folding.
hornby new collett gwr br bellows corridor connectors x 5 oo em p4 finescale
bachmann mk1 bellows corridor connectors x 5 oo em p4 finescale
5 pack hornby mk3 HST bellows corridor connectors x 5 oo em finescale
hornby lner gresley teaks super detail bellows corridor connectors x 5 oo em p4
hornby super detail pullmans bellows corridor connectors x 5 oo em p4 finescale
