For those people needing to replace worn out and rusted backing plates or that need to build a new brake system, these will do the job. Factory new Ford stampings made in the USA that are available in 10” or 11”. 10” plates are designed for use with Ford 8” & 9 small (2.835” diameter) axle bearing housing flanges and will fit 2 ½” shoes. 11” plates are designed for use with large (3.150” diameter) axle bearing, Torino Style, housing flanges and will fit 2 ¼” shoes.