|LEGO® → System i Leg → System i Leg Accessories|
214/9 1 x 1 x 1 Window Frame is a System i Leg Accessories set that was released in 1961. It includes twenty of Part 3087c in red. There was a similar set that included the same pieces, but in the colour white. It is identical to 459 1 x 1 x 1 Window, Red or White which was released 1966.