-STANDARDS: NF EN ISO 6789, ISO 6789, DIN EN ISO 6789 -Factory accuracy: ± 2%. -Reliability of mechanism: 50,000 cycles. -Compact wrench for confined access. -Ratchet with 72 teeth (5°) for use with sockets. -One-way wrench. -Numbered wrench supplied with ISO 6789 calibration certificate. -Supplied in a box, dim. (L. x W.): 205 x 120 mm.