plastic rods General size: Round,Double round (2-3.5mm) ,Triangle (4x4x5,4x4x6,5x5x7mm) Flat rectangle (2x8mm) plastic rodsGeneral size: Round, Double round (2-3.5mm) ,Triangle (4x4x5,4x4x6,5x5x7mm) ,Flat rectangle (2x8mm)HDPE Welding Rod or any others sections according to customers' requirement. HDPE welding rods