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Dual-purpose spanner is one of many types of spanner. One end is the same as a single-end spanner, the other end is the same as a spanner, both ends of the screw bolts or nuts of the same specifications. Usage of dual-purpose wrench: it is suitable for petroleum, chemical industry, metallurgy, power generation, oil refining, shipbuilding, petrochemical and other industries. Equipment installation, equipment and equipment maintenance, maintenance




Repair necessary tools for work. Dual-purpose wrenches are available in metric and imperial systems
Update time:20190401100348