... ,30mm,ect 1/2,9/16,5/8,3/4,7/8,etc6)Finishing:Bake paint,Black Oxide,Zinc Plated,Phosphate ... )Shape:Round,round flat,half-round ,half-round flat.square,square flat Round,square,semi-round,forged top round bend,etc11)Action on: heavy ... -duty truck, semi-trailer and busSatisficatory Service:(The most important)1 ...