multipurpose self-locking spanner series
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Multipurpose self-locking spanner is a new type hardware tools with national patent No. ZL 200320109137.8 and application No.200520100219.5. Combining traditional adjustable wrench, grip wrench, screwdriver and socket wrench as a whole, it has remedied the defects of traditional tools as well as it easy to carry.
If it slipping, hex nut can not be turned. This spanner is stressed by three-point in its design and can grip workpiece automatically and firmly. It is used for irregular workpieces such as spherical, pipy and taper, etc. while using screwdriver and box spanner, its gib also can be turned 900as a lever to apply force. It is the ideal tools for daily maintenance, vehicle repair and water & electricity installation, etc.