Model: JRPT11-72 JRPT11-96 JRPT11-120 JRPT11-144 JRPT11-168 JRPT11-180 JRPT11-192 JRPT11-204 JRPT11-240Voltage: ��.2V ��.6V ��2V ��4.4V ��6.8V ��8V ��9.2V ��0.4V ��4VNo-load speed: 0-450/620min-1Impact frequency: 0-8100/11160min-1High speed: 0-800min-1Max.Impact frequency: 0-14499min-1 Chuck diameter: 1.5-10mmToque control: 6,16Max.torque: 6.5N.m-10.7N.mW or W/O: Power capacity displayW or W/O: Soft gripe