Model Head width Rail height Web Thickness Bottom Width Weight Material Rail length 38kg/m 68mm 134mm 13mm 114mm 38.733 kg/m U71Mn/U71 /45Mn 12,12.5m 43kg/m 70mm 140mm 14.5mm 114mm 44.653 kg/m U71Mn/U71 /45Mn 12,12.5m 50kg/m 70mm 152mm 15.5mm 132mm 51.514 kg/m U71Mn/U71 /45Mn 12,12.5m
