Number Diameter(mm) Thickness(mm) 1 50 10(9-11),15(14-16),20(19-21),25(24-26) 2 55-60 10(9-11),15(14-16),20(19-21),25(24-26) 3 65-70 10(9-11),15(14-16),20(19-21),25(24-26) 4 75-80 10(9-11),15(14-16),20(19-21),25(24-26) 5 85-90 10(9-11),15(14-16),20(19-21),25(24-26) 6 95-100 10(9-11),15(14-16),20(19-21),25(24-26) 7 105-110 10(9-11),15(14-16),20(19-21),25(24-26) 8 115-120 10(9-11),15(14-16),20(19- ...