galvanised strut ,unistrut ,unistrut channel different size are available samples are free OEM offered 1-5/8"strut channel,unistrut channel,steel channelc channel,galvanised steel channel,HDG strut channel (1)Pre-galvanised , Hot dipped Galvanised.(2) slotted and plain(3) Thickness :1.5mm,1.6mm,2.0mm ,2.5mm,3.0mm(4) 41mm*41mm,41mm*21mmDetailed Product Description41series galvanized profile steel ...