Overview The Gray Tools 1" Drive Micro-Adjustable Torque Wrench is built for professionals who demand precision in demanding industrial environments, and offered by the only Canadian owned and domestically headquartered hand tool company. The non-ratcheting, one directional torquing head delivers high capacity torque accuracy for the heaviest fastening applications. Non-ratcheting, one directional torquing head Individually serialized with matching factory certificate of calibration traceable to N.I.S.T. Meets or exceeds ASME B107.14-2004 and ISO 6789 standards Packaged in a metal case Specifications Drive Size: 1" Range: 300 - 2,000 ft. lbs. (406 - 2,711 Nm) Increment: 10 ft. lbs. (13.5 Nm) Accuracy: ± 4% CW Maximum Length (with extension): 109" ASME Specification: B107.14-2004 ISO Specification: 6789 Applications Ideal for industrial maintenance technicians, millwrights, and heavy equipment professionals requiring high torque accuracy on the largest fasteners. Well suited for heavy machinery assembly, structural steel work, and industrial maintenance where extreme torque capacity is required. In the Box 1" Drive Micro-Adjustable Torque Wrench Metal carrying case Factory calibration certificate (NIST-traceable)