I have one of those black glossy door pillars..bought from ebay from China. Advertised price at $49 plus change, but I felt like I wanted to bid....so I bid for $36.00 (flat cost including the shipping costs), and he accepted my offer...advertised as a 8pc, yet I was sent 10 pc (as it included the triangular area where the front driver and front passenger mirrors are located. Stated 3M stickers on back side, all fit well, except the front mirror area as its entire edging tapers down, so there is a slight overhang of about 1/8"...I had to relocate it slightly so that it only shows a little overhang, but they REALLY improve the appearance of the doors when you face them !
I'd buy them again !
Compare that to a full on carbon fiber 10 pc set that sells on ebay for $309.00 !