规定了建筑工人钳子的主要尺寸和测试值，以验证其功能是否符合ISO 5744。ISO 5743中给出了一般技术要求。ISO 9242中所示的夹钳仅为示例，并不打算影响制造商的设计。

Specifies the principal dimensions of construction worker' s pincers and the test values in order verify their aptitude to function in conformity with ISO 5744. The general technical requirements are given in ISO 5743. This pincers illustrated in ISO 9242 are only examples and are not intended to affect the manufacturers' design.