... .8mm, 32mm, 33.7mm, 32mm, 25mm, 35mm, 38mm, 40mm, 42.4mm, 42.7mm, 48mm, 50.8mm, 54mm, 57mm, 58mm, 60mm, 62mm, 63mm ... , 101.6mm, 104mm, 108mm, 114mm, 127mm, 133mm, 141mm, 152.4mm, 159mm, 168mm, 203mm, 219mm2) Square PipeSize: 10X10mm, 12X12mm, 12.7X12 ... , 18X18mm, 19X19mm, 20X20mm, 22X22mm, 23X23mm, 24X24mm, 25X25mm, 25.4X25.4mm, 28X28mm, 30X30mm, 32X32mm, 35X35mm, 36X36mm, 38X38mm, 38.1X38.1mm, 40X40mm ...