It looks like this Part has been superseded by LEGO Part 60470b Plate Special 1 x 2 with Clips Horizontal [Open O Clips].
Click on a colored part below to see the Sets and MOCs that use part 60470a Plate Special 1 x 2 with Clips Horizontal [Thick U-Clips] in that color. You can find an overview of all LEGO Colors here.
If a color is missing, it probably needs to be added to a Set Inventory.
This part has been used by MOCs in the following colors but not officially released.