Accurate, Efficient Torque MultiplicationWhen accurate make-up or break-out of stubborn fasteners requires high torqueHigh-efficiency planetary gear sets achieve high output torque from low input torqueMost models operator protected by anti-backlash deviceMultiplier output accuracy 5% of input torqueReversible, tighten or loosen boltsReaction bar or reaction plate typeAngle-of-turn protractor standard on E300 modelsReaction plate models offer increased versatility with reaction point locationsE300 and E400 series replaceable shear drives provide overload protection of internal power train (one replacement shear drive is included).