... 1.8, 85/2.2, 90/2.3A, 100/3.1, 110/2.8, 120/3.0 and 130/3.2.Equipped drilling rod with ... special silencer bringing comfortable working condition, etc. MQT-70/1.8,MQT-85/2.2,MQT-90/2.3A,MQT-100 ... 1,MQT-110/2.8,MQT-120/3.0 and MQT-130/3.2. And each model can be equipped with drilling rod with ... different rock hardness for your selection MODEL & PARAMETERMQT-0/1.8MQT-85/2.2MQT-90/2.3ASUITABLE PRESSURE RANGE ( ...