These beautiful supports are called gussets. The are structural and they give the pergola exceptional rigidness. We offer straight gussets, but these arched gussets are much more popular.
"Max I want to thank you for the promptness with which you handled this problem. The way you have handled this speaks volumes about the quaility of your company. I would not hesitate doing business with you again.
Thanks again." - Bill Schlaepfer