* Distance(mm) Rockwell Scale: C 0.00 50.50 1.59 55.80 3.17 55.00 4.76 56.40 6.35 49.40 7.94 52.30 9.52 57.80 11.11 57.40 12.70 55.30 14.29 48.50 15.87 52.70 17.46 51.60 19.05 49.10 20.64 49.70 22.22 48.70 23.81 45.20 25.40 39.10 31.75 39.20 38.10 35.20 44.45 35.10 50.80 26.60 63.50 30.90 71.75 32.90