Assembly tools for screws and nuts - double - headed open - ended wrenches, double - headed ring wrenches and combinationwrenches - maximum widths of heads.
螺钉和螺母装配工具。双头开口扳手双头环形扳手和组合扳手。最大头部宽度。
2
Assembly tool for screws and nuts - open - end double - head engineers wrenches, double - head box wrenches and combinationwrenches - maximum outside dimensions of heads.