8 10 12 14 16 18 20 21 22 23 24X1.5-4 18 20 26 30 50 60 25 26 27 28 30 34 35 36X2.5-4-6 21 28 30 35 60 68 38 40 42 45 48 51 52 54X3.5-4-6-10 55 57 60 63.5 68 70 73X2.5-4-6-8-14 76 80 83 90 95 102 108 114X4.5-6-25