This International Standard specifies the overall length and the maximum head thickness of combination wrenches, offset (Form A) and modified offset (Form B).
NOTE Combination wrenches are listed in ISO 1703:1983, Assembly tools for screws and nuts—Nomenclature, under number 13 (Form A) and 14 (Form B).
BS ISO 7738:2001 history
2015BS ISO 7738:2015 Assembly tools for screws and nuts. Combination wrenches. Lengths of wrenches and maximum thickness of heads
2001BS ISO 7738:2001 Assembly tools for screws and nuts - Combination wrenches - Lengths of wrenches and maximum thickness of heads