4mm scale oo gauge. they are laser cut with a scored line to aid folding.
12 x 00 Gauge 4mm Bachmann / Hornby MK2 Mark2 Corridor Connector Bellows BR BLUE
bachmann mk2 bellows corridor connectors x 5 oo em p4 finescale
new tooling hornby mk1 bellows corridor connectors x 5 oo em p4 finescale
hornby mk1 bellows corridor connectors x 6 oo em p4 finescale
