MAKITA TW001GZ - XGT 40V MAX Li-Ion Brushless 3/4” Impact WrenchPowerful And Precise Heavy Duty Fastening! Friction Ring Increased maximum fastening torque with more compact design vs. DTW1001 18V Li Ion Impact Wrench 4 stage impact power selection ensure precise fastening and prevents damage to fasteners or materials 3 forward and 3 reverse auto stop modes stop impact and rotation at preset levels to ensure fastening accuracy and prevent over under tightening of fasteners Variable speed trigger with full speed