For improving or altering Hornby & Bachmann Coaches Mk1 MK2 Mk2d/e & Mk3. 4 x Red designed to fit the Hornby Mk3 HST Buffet coach (1.5mm width) with narrow end over doorways. 12 x Yellow designed to fit the Hornby Mk3 HST coach (1.5mm width) with narrow end over doorways.