Range: 100 - 600Nm (73.8 - 442.8lb-ft); tolerance ±3%. 24 teeth ratchet mechanism; 3/4"D x 1012mm long. Supplied in a blow mould case for storage. All Laser torque wrenches (mechanical & digital) are supplied with a certificate of conformance & calibration produced at point of manufacture, as per ISO6789-1:2017. Additional sizes available, please see Part No. 8958 (3/4"D 160-800Nm), 8959 (1"D 240-1200Nm), 8960 (1"D 480-1500Nm).