Draper 1 2 square drive 0 21kg m or 0 150lb ft powerset torque wrench draper 34487 dual scale for forward reverse operations wrench uses the deflection of the main spring beam to measure torque applied the scale is graduated m kg and lb ft in two directions overall length 460mm display packed draper 34487 1 2 square drive 0 21kg m or 0 150lb ft powerset torque wrench