| 摘要 |
A polyaxial wrench can apply torque to bolts, nuts and screws in close confines where leverage perpendicular to the axis of the bolt is restricted. The wrench has one end for mounting on the bolt, a shank and a sleeve. The shank extends longitudinally from the one end. The sleeve is rotatably mounted on the shank. The sleeve has connections for coupling an impact tool in several different angular configurations in relation to the longitudinal axis of the sleeve. Therefore, the impact tool can apply force vectors, of choice and dictated by the confines, polyaxially.
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