ISO 10104:2018 specifies the overall length and the maximum head thickness for double-headed box wrenches, deep offset (Form B) and modified offset (Form A).

NOTE The wrenches covered by this document are the ones identified in ISO 1703:2005 under reference numbers 1 1 02 06 0 and 1 1 02 05 0.

ISO 10104:2018 does not cover technical specifications for these products. Technical specifications are given in ISO 1711‑1:2016, series A.