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1) OLY brand dial torque wrenches2) Equally accurate in both clockwise and anti-clockwise directions3) Accurate exclusive bi-polar dual scales: imperial and metric4) Easy to read the result from dual scales5) Calibration traceable to National Institute of Standards and Technology (NIST)6) Standard meets ISO6789:1992, ASME B107.14 or GGG-W-686±4%
