Good day fine men & women of Audizine, I was thinking of doing the rear wiper delete on my B6 Avant. Does anyone know the size of the plug? I see it for sale on Ebay for about $30, but I'm figuring I can get a plastic plug for way less from Mcmaster Carr. Just need to know the size of the plug.

http://www.ebay.com/itm/Audi-A4-B8-A...mtr&rmvSB=true

http://www.mcmaster.com/#snap-in-plugs/=11e61oy