No Longer Available from Meyer. We put these kits together ourselves. It is the hardware required to install Mounting Carton 17000 on the vehicle. See BOTH photos.. It is the hardware required to install Mounting Carton 17000 on the vehicle. On the parts list is a "Pipe Spacer" which is Part# 07265, and it is #15 on the parts list. This part is No Longer Available from Meyer, and although it appears in the parts list, if you look at the diagram, there is no #15 on it. There is no mention of #15 in the installation instructions either. Keep in mind the Mounting Carton has been revised by Meyer 11 times since 1972.