... structure 3 Ready hexagon screwdriver for rack metal joints for pipe rack systemPlace of Origin: China (Mainland) ... ’s a part of the pipe worktable,pipe rack,production line.Features as below:(1)Economic ,enviromental ... Main products:Coated pipes,Metal Joints for Pipe rack system,Roller Tracks,Connectors,Caster ect.3.Quality ... order carefully and keep you posted. 4 way T metal joints for pipe rack system