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Calibrated to +/- 3% in clockwise direction and +/- 6% in counter clockwise direction
Calibration is accomplished by mechanical loading each wrench in a horizontal position
Certification documents traceable to N.I.S.T. (National Institute of Standards and Technology)
Manufactured to meet precision/highly accurate applications such as military and aerospace
Stanley J6018CXCERT Proto 3/4-inch Drive Ratcheting Head Micrometer Torque Wrench 60-300 ft.-lbs Calibrated to +/- 3% in clockwise direction and +/- 6% in counter clockwise direction. Calibration is accomplished by mechanical loading of each wrench in a horizontal position and performing a three click test at 20%, 60% and 100% of maximum instrument capacity. Certification documents traceable to N.I.S.T. (National Institute of Standards and Technology). Manufactured to meet precision/highly accurate applications such as military and aerospace.