... 25mm,32mm 4.BS4568 and BN50086 Standard Item:Steel Electrical ConduitsMaterial:SteelFinish:Hot-dipped galvanization,Electro galvanizing,Black ... EnamelSize:20mm/25mm/32mmSteel electrical conduits,to BS4568 and EN50086 standards.Best quality ... and reasonable price.We can produce the steel electrical conduits according to your samples or drawings,also ...