... , 56 , 57 , 60, 63.5 , 76.2 , 80 , 89 , 101.6 , 108 , 114 , 127 , 133 , 141 , 159 , 168, 219 b) ... /oval pipe size (mm)7.5*11.5,9.6*15,10*20,13.5*18.5,13*23,10 ... - 3.0mm 5) Length of tube: 3000 - 8000 mm 6) Polishing: mirror/satin/brush/honed polished , 600 grit , 400 grit, 320grit , ... 240 grit, No.6 7) Term of payment : T / T ,30% ...