It looks like this Part has been superseded by LEGO Part 48729b Bar 1L with Clip [Cut Edges and One Side Hole].
Click on a colored part below to see the Sets and MOCs that use part 48729a Bar 1L with Clip 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.