... 1.Finished: zinc, hot-dipped galvanized (HDG), nickel, and chrome-plated 2.Materials: stainless steel and carbon steel U bolt 1.Finished: zinc, hot ... -dipped galvanized (HDG), nickel, chrome-plated, plain , yellow zinc plated , white zinc plated and etc...2.Materials: stainless steel and carbon steel grade 4.8 ...