Assembly tools for screws and nuts. Double-headed open-ended engineers' wrenches. Outside dimensions1 Scope This document specifies the overall length and the maximum head thickness for double headed open ended engineers' wrenches. NOTE The wrenches covered by this document are the ones identified in ISO 1703: 2005 under reference No. 1 1 01 02 0. This document does not cover technical specifications for these products. Technical specifications are given in ISO 17111: 2016, series C.

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