Double-headed wrench stay dominant products, Plum wrenches, dual-use wrenches, active wrenches to all specifications, good quality and low price, high reputation, well-known tools sector.
主导产品双头呆扳手，梅花扳手，两用扳手，活络扳手，以规格全，质量好，价格低，信誉高，闻名工具界。
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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.