d pollici H4 Q1 Hmax Q2 Lmax (mm) (inch) (mm) (mm) (mm) (mm) (mm) 160 6 106 139 476,6 123 434,0 225 8 118 178 532,0 169 498,4 280 10 148 210 679,5 207 646,0 315 12 157 256 749,0 253 681,0 512