Model : E492 Series : E Product Lines : Bolting Tools High efficiency planetary gear sets achieve high output torque from low input torque Most models operator protected by anti-backlash device Multiplier output accuracy ± 5% of input torque Reversible, tighten or loosen bolts Reaction bar or reaction plate type E300 and E400 torque multiplier series replaceable shear drives provide overload protection of internal power train (one replacement shear drive is included)