本文件规定了工程师钳子和线路工钳子的主要尺寸以及钳子的试验值，以验证其功能是否符合ISO 5744。ISO 5743中给出了一般技术要求。购买本文件时可获得的所有当前修订均包含在购买本文件中。

This document specifies the principal dimensions of engineer's and Lineman's pliers and the test values for the pliers in order to verify their aptitude to function in conformity with ISO 5744. General technical requirements are given in ISO 5743.All current amendments available at time of purchase are included with the purchase of this document.