Size Chart Info
Diameter Weight/Metre Sectional Area Perimetre (d) (w) (a) (p) 10 0.62 0.79 3.14 12 0.89 1.13 3.77 16 1.58 2.01 5.03 20 2.47 3.14 6.28 22 2.98 3.8 6.91 25 3.85 4.91 7.85 28 4.83 6.16 8.8 32 6.31 8.04 10.05 36 7.99 10.18 11.31 40 9.86 12.57 12.57 45 12.5 15.9 14.14 46 13.33 - - 48 14.21 - - 50 15.41 19.64 15.71 56 19.34 24.63 17.59 63 24.47 31.17 19.79 71 31.08 39.59 22.31 80 39.46 50.27 25.13
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