1687 x 1 pair. XK150 Roadster OTS Steel Inner Door Glass Frame Assy ( for 1830 Drop Glass). This is basically a removable inner cage or cartridge, to use modern auto terminology. To be assembled into door using the window regulator as a 3-piece clamping together assembly to set it up correctly. Original Number BD15416  &  7

SEE : 2391  Left  and Right hand  for the unique Roadster window regulators. This door is a very complex sandwich construction and requires  Inner and outer frames assembled using the window regulator as a composite part of the complete door assembly to hold it all together.