Basically the "left" part points to the "right" part and mirrors it. So you need both left and right parts for the left part.
What program are you using? This part has been official for a decade so even Studio, who's library is usually lagging the official one, should have this part.
What program are you using? This part has been official for a decade so even Studio, who's library is usually lagging the official one, should have this part.