Support bars sold individually include one support bar—no hardware. Each stroller requires two bars.
The conversion kit (changing a Wolf Stroller or Wolf Pup 8.10 Stroller to a Wolf Height Extender Stroller) includes two Height Extender support bars and the hardware to attach to stroller blocks.
Fits all Wolf Strollers, Wolf Height Extender Strollers, and Wolf Pup 8.10 Strollers.