There are two types of this part:
Click on a colored part below to see the Sets and MOCs that use part 30592 Brick Special 2 x 2 with Top Pin and 1 x 2 Side Plates 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.