Alcance
                            This document applies to attachments for hand-operated square drive socket wrenches.NOTE 1     The attachments for hand-operated square drive socket wrenches covered by this standard are the ones identified in ISO 1703:2018 under reference No. 5 1 00 03 0, 5 1 00 04 0, 5 1 00 04 1 and 5 1 00 05 0.It specifiesa)    the overall dimensions;b)    the minimum Rockwell hardness value for their driving squares;c)    the method of torque testing;d)    the minimum torsional strength values;e)    the designation; andf)     the marking.NOTE 2    For the specification of square adaptors with a hexagon or cylindrical flat drive, for power socket wrenches, see ISO 3317.