American Limited HO 9160 Operating Diaphragm for Bachmann Pullman Passenger Cars, Black (1 Pair)

Operating passenger car diaphragms are accurate models of specific prototypes. Easy-to-build kits feature injection-molded plastic parts, in black or gray plastic. Sprung to hold together on curves down to 24" radius, no minimum radius limitation. Will not interfere with operation of most couplers. 6 car set molded in black plastic. All kits include complete instructions.