Multipurpose Self-Locking Open End Wrench (IT25-55) is a new type hardware tools with national No. ZL200320109137.8 and No. 200520100219.5. Combing traditional adjustale wrench, and grip wrench as a whole, it has remedied the defects of traditional spanner.
If it slipping, hex nut can not be turned. This spanner is stressed by three_point in its design and can grip workiece automatically and firmly. It is used for irregular workpieces such as spherical, pipy an taper, etc. While using screwdriver and box spanner, its gib also can be turned 90° As a lever to apply force. It is the ideal tools for daily maintenance, vehicle repair and water & electricity installation, steel structure construction and railway maintenance, etc.