... read LX Shaw hardness tester ManualType A: applicable to general rubber, synthetic rubber, vulcanized rubber, soft rubber, leather, wax, etc.Type C ... AType CType DCalibration Value0-100HA0-100HC0-100HDResolution1HA1HC1HDPressure Head SizeΦ1.25mmR2.5mmΦ1.25mmEnd pressure of Pressure Head0.55N-8.06N0.55N ... . If at that moment the pointer directs at a 100±1 degree angle, it cannot be used, either. It’s ...