Sleeve axis is always perpendicular to railway sleepers, ensuring quick and accurate alignment. The average working efficiency is 1.5 times that of double end wrench.
套筒轴线始终垂直于轨枕面，对位快速、准确，平均工作效率为双头的1.5倍。
Sleeve axis is always perpendicular to railway sleepers, ensuring quick and accurate alignment. The average working efficiency is 1.5 times that of double end wrench.
套筒轴线始终垂直于轨枕面，对位快速、准确，平均工作效率为双头的1.5倍。
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