本标准规定了火花塞方形驱动的可拆卸手用套筒扳手的尺寸、性能和安全要求。本标准中包含的尺寸数据并不意味着本文所述的所有产品都是库存生产尺寸。消费者应就库存生产规模清单咨询制造商。

This Standard provides dimensional, performance, and safety requirements for detachable hand use socket wrenches with square drive for spark plugs. Inclusion of dimensional data in this Standard is not intended to imply that all of the products described herein are stock production sizes. Consumers are requested to consult with manufacturers concerning list of stock production sizes.